Questions on Algebra: Polynomials, rational expressions and equations answered by real tutors!

Tutors Answer Your Questions about Polynomials-and-rational-expressions (FREE)

Question 164254: 12.) Complete complex fraction. I really need help on this one!
2/x+1/x-2
1/x-2- 3/x

Click here to see answer by jim_thompson5910(35256)

Question 164253: Combine like terms. Write the answe in descending order:
8y^3 + 8y^9 - 8y^9 + 2y^3
Click here to see answer by jim_thompson5910(35256)

Question 164251: Simplify: x-(8x + 7)
Click here to see answer by jim_thompson5910(35256)

Question 164251: Simplify: x-(8x + 7)
Click here to see answer by jojo14344(1513)

Question 164250: Simplify: -6(10r + 3) + 6(5r + 10)
Click here to see answer by jim_thompson5910(35256)

Question 164245: solve the equations: -7b + 9 + 5b = -3b + 14
Click here to see answer by jojo14344(1513)

Question 164247: combine like terms. write the answer in descending order: 4x^5 + 7x^2-8x^5
The ^ symbol means to the power of
Click here to see answer by padmameesala(42)

Question 164248: Evaluate the polynomial: -7x^2 + 9x + 2 for x = 2
Click here to see answer by padmameesala(42)

Question 164115: Solve the following algebraically. Trial and error is not an appropriate method of solution. 1/4=3-2x-1/x+2
Click here to see answer by ankor@dixie-net.com(22740)

Question 164339: Factor: 2x^4-x^3+2x-1 Hint: Use ABC?
Click here to see answer by orca(409)

Question 164436: Please help Factor Completely. If the polynomial is prime, please state this.
a^2-13a+40
Click here to see answer by scott8148(6628)

Question 164436: Please help Factor Completely. If the polynomial is prime, please state this.
a^2-13a+40
Click here to see answer by jim_thompson5910(35256)

Question 164436: Please help Factor Completely. If the polynomial is prime, please state this.
a^2-13a+40
Click here to see answer by josmiceli(19441)

Question 164434: please help solve using addition and multiplication principles:
-5(6y-8)< -35y + 20
Click here to see answer by jim_thompson5910(35256)

Question 164432: I need help to Solve the equation: -6p-5=-9 + 8p
Click here to see answer by jim_thompson5910(35256)

Question 164432: I need help to Solve the equation: -6p-5=-9 + 8p
Click here to see answer by josmiceli(19441)

Question 164438: Please help I am getting confused.
Factor completely:
x^3-3x^2y-10xy
Click here to see answer by jim_thompson5910(35256)

Question 164439: Factor completely:
x^2-5x-6
I came up with (x-6)(x+1)

Click here to see answer by jojo14344(1513)

Question 164440: Please help
Factor completely:
36x^-4y^2
Click here to see answer by jim_thompson5910(35256)

Question 164440: Please help
Factor completely:
36x^-4y^2
Click here to see answer by padmameesala(42)

Question 164433: please help Simplify: -39 divide by -3 times - 1/4
Click here to see answer by jojo14344(1513)

Question 164451: The current I in electrical conductor varies inversely as the resistance R
of the conductor. Suppose I is 0.2 amperes when the resistance is
200 ohms. Find the current when the resistance is 250 ohms.

Click here to see answer by vleith(2983)

Question 164435: Please ADD: (9+7x^2+5x^4+7x^3) + (-5x^3+2x^2+5=8x^4)
Click here to see answer by jim_thompson5910(35256)

Question 164455: Factor completely:
3x^-30x+48
my answer was 3(x-8)(x-2)
Thank you for your time.

Click here to see answer by checkley77(12844)

Question 164454: Please check over I came up with (x+4)(9x+4)
Factor completely:
9x^+40x+16
Click here to see answer by checkley77(12844)

Question 164454: Please check over I came up with (x+4)(9x+4)
Factor completely:
9x^+40x+16
Click here to see answer by ptaylor(2198)

Question 164476: Can you help me with this problem? I would really appreciate it.
Factor the polynomial:

Felicia
Click here to see answer by Alan3354(69443)

Question 164476: Can you help me with this problem? I would really appreciate it.
Factor the polynomial:

Felicia
Click here to see answer by josmiceli(19441)

Question 164492: How would I factor I was thinking that I would move the 20 to the other side of the equal sign so that it would look like and then factor it from there, but even then I'm still stuck on the factoring. Please help thank you.
Click here to see answer by nerdybill(7384)

Question 164586: can someone please help me with this problem:
What is the size of the matrix?
[ 2 9]
[-5 5]
a. 2
b. 4
c. 1
d. 2 x 2
Click here to see answer by Edwin McCravy(20054)

Question 164582: can someone please help me with this problem:
Solve the system of equations. If the system is dependent, express solutions in terms of the parameter z.
-2x + y + 4z = 10
-7x + 4y - 3z = 7
a. (19z - 33, 34z - 56, z)
b. (33 - 43z, 56 - 34z, z)
c. (-33 + 43z, 10 - 2x + 4z, z)
d. (-33 + 43z, 10 + 2x - 4z, z)
Click here to see answer by Edwin McCravy(20054)

Question 164565: solve for the zeros or roots of this polynomial equation
r(x)= (x-7)^2 times (x^2+7)
Please Please explain step by step because I really want to learn how to solve for the zeros of polynomial equations. Thank you for any help. Please Help Soon!
Click here to see answer by jim_thompson5910(35256)

Question 164558: solve for the zeros or roots of this polynomial equation
g(x)= x^2-6x+8
Please Please explain step by step because I really want to learn how to solve for the zeros of polynomial equations. Thank you for any help. Please Help Soon!
Click here to see answer by jim_thompson5910(35256)

Question 164612: simplify
(x^2+xy-2y^2)/(x^2+3xy+2y^2)
Click here to see answer by stanbon(75887)

Question 164564: solvefor the zeros or roots of this polynomial equation
q(x)=1-5x+6x^2
Please Please explain step by step because I really want to learn how to solve for the zeros of polynomial equations. Thank you for any help. Please Help Soon!
Click here to see answer by KnightOwlTutor(293)

Question 164580: can someone please help me with this problem:
Perform row operations on the augmented matrix as far as necessary to determine whether the system is independent, dependent or inconsistent.
x + y + z = 11
x - y + 3z = 5
2x + 2y + 2z = 15
Click here to see answer by scott8148(6628)

Question 164562: solve for the zeros or roots of this polynomial equation
n(x)= x^2+2 divided by 2
Please Please explain step by step because I really want to learn how to solve for the zeros of polynomial equations. Thank you for any help. Please Help Soon!
Click here to see answer by Fombitz(32388)

Question 164559: solve for the zeros or roots of this polynomial equation
k(x)= x-(1/x)
Please Please explain step by step because I really want to learn how to solve for the zeros of polynomial equations. Thank you for any help. Please Help Soon!
Click here to see answer by ankor@dixie-net.com(22740)

Question 164670: can someone help me with this problem:
The amount of particulate matter left in solution during a filtering process is given by the equuation P(x) = 800(2)^-0.4n, where n is the number of filtering steps. Find the amounts left for n = 0 and n = 5. (Round to the nearest whole number.)
a. 800, 25
b. 800, 3200
c. 800, 200
d. 1600, 200
Click here to see answer by Fombitz(32388)

Question 164746: factor the trinomial
b^3-4b^2-32b
Click here to see answer by Mathtut(3670)

Question 164765: Find the product of the polynomials. Use any method you wish.
(x-3)(x^3-4x^2+2x-7)
This type really confuses me
Thanks Cindy
Click here to see answer by Mathtut(3670)

Question 164790: Can you please help me
I need help with factor by grouping...
3x^3 + 15x^2 - 12x^2 - 60x
How can you group them when they all have different exponents????

Click here to see answer by Alan3354(69443)

Question 164787: x^3+8x^2+x-42 / x+3
Divide using long division or synthetic division
Please Help me and show me how to do this???
Thank you much
Click here to see answer by Mathtut(3670)

Question 164806: p^2+3p-18
Can you please help me factor each trinomial competely???
I really need help with this
Click here to see answer by Alan3354(69443)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 17551..17595, 17596..17640, 17641..17685, 17686..17730, 17731..17775, 17776..17820, 17821..17865, 17866..17910, 17911..17955, 17956..18000, 18001..18045, 18046..18090, 18091..18135, 18136..18180, 18181..18225, 18226..18270, 18271..18315, 18316..18360, 18361..18405, 18406..18450, 18451..18495, 18496..18540, 18541..18585, 18586..18630, 18631..18675, 18676..18720, 18721..18765, 18766..18810, 18811..18855, 18856..18900, 18901..18945, 18946..18990, 18991..19035, 19036..19080, 19081..19125, 19126..19170, 19171..19215, 19216..19260, 19261..19305, 19306..19350, 19351..19395, 19396..19440, 19441..19485, 19486..19530, 19531..19575, 19576..19620, 19621..19665, 19666..19710, 19711..19755, 19756..19800, 19801..19845, 19846..19890, 19891..19935, 19936..19980, 19981..20025, 20026..20070, 20071..20115, 20116..20160, 20161..20205, 20206..20250, 20251..20295, 20296..20340, 20341..20385, 20386..20430, 20431..20475, 20476..20520, 20521..20565, 20566..20610, 20611..20655, 20656..20700, 20701..20745, 20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 27136..27180, 27181..27225, 27226..27270, 27271..27315, 27316..27360, 27361..27405, 27406..27450, 27451..27495, 27496..27540, 27541..27585, 27586..27630, 27631..27675, 27676..27720, 27721..27765, 27766..27810, 27811..27855, 27856..27900, 27901..27945, 27946..27990, 27991..28035, 28036..28080, 28081..28125, 28126..28170, 28171..28215, 28216..28260, 28261..28305, 28306..28350, 28351..28395, 28396..28440, 28441..28485, 28486..28530, 28531..28575, 28576..28620, 28621..28665, 28666..28710, 28711..28755, 28756..28800, 28801..28845, 28846..28890, 28891..28935, 28936..28980, 28981..29025, 29026..29070, 29071..29115, 29116..29160, 29161..29205, 29206..29250, 29251..29295, 29296..29340, 29341..29385, 29386..29430, 29431..29475, 29476..29520, 29521..29565, 29566..29610, 29611..29655, 29656..29700, 29701..29745, 29746..29790, 29791..29835, 29836..29880, 29881..29925, 29926..29970, 29971..30015, 30016..30060, 30061..30105, 30106..30150, 30151..30195, 30196..30240, 30241..30285, 30286..30330, 30331..30375, 30376..30420, 30421..30465, 30466..30510, 30511..30555, 30556..30600, 30601..30645, 30646..30690, 30691..30735, 30736..30780, 30781..30825, 30826..30870, 30871..30915, 30916..30960, 30961..31005, 31006..31050, 31051..31095, 31096..31140, 31141..31185, 31186..31230, 31231..31275, 31276..31320, 31321..31365, 31366..31410, 31411..31455, 31456..31500, 31501..31545, 31546..31590, 31591..31635, 31636..31680, 31681..31725, 31726..31770, 31771..31815, 31816..31860, 31861..31905, 31906..31950, 31951..31995, 31996..32040, 32041..32085, 32086..32130, 32131..32175, 32176..32220, 32221..32265, 32266..32310, 32311..32355, 32356..32400, 32401..32445, 32446..32490, 32491..32535, 32536..32580, 32581..32625, 32626..32670, 32671..32715, 32716..32760, 32761..32805, 32806..32850, 32851..32895, 32896..32940, 32941..32985, 32986..33030, 33031..33075, 33076..33120, 33121..33165, 33166..33210, 33211..33255, 33256..33300, 33301..33345, 33346..33390, 33391..33435, 33436..33480, 33481..33525, 33526..33570, 33571..33615, 33616..33660, 33661..33705, 33706..33750, 33751..33795, 33796..33840, 33841..33885, 33886..33930, 33931..33975, 33976..34020, 34021..34065, 34066..34110, 34111..34155, 34156..34200, 34201..34245, 34246..34290, 34291..34335, 34336..34380, 34381..34425, 34426..34470, 34471..34515, 34516..34560, 34561..34605, 34606..34650, 34651..34695, 34696..34740, 34741..34785, 34786..34830, 34831..34875, 34876..34920, 34921..34965, 34966..35010, 35011..35055, 35056..35100, 35101..35145, 35146..35190, 35191..35235, 35236..35280, 35281..35325, 35326..35370, 35371..35415, 35416..35460, 35461..35505, 35506..35550, 35551..35595, 35596..35640, 35641..35685, 35686..35730, 35731..35775, 35776..35820, 35821..35865, 35866..35910, 35911..35955, 35956..36000, 36001..36045, 36046..36090, 36091..36135, 36136..36180, 36181..36225, 36226..36270, 36271..36315, 36316..36360, 36361..36405, 36406..36450, 36451..36495, 36496..36540, 36541..36585, 36586..36630, 36631..36675, 36676..36720, 36721..36765, 36766..36810, 36811..36855, 36856..36900, 36901..36945, 36946..36990, 36991..37035, 37036..37080, 37081..37125, 37126..37170, 37171..37215, 37216..37260, 37261..37305, 37306..37350, 37351..37395, 37396..37440, 37441..37485, 37486..37530, 37531..37575, 37576..37620, 37621..37665, 37666..37710, 37711..37755, 37756..37800, 37801..37845, 37846..37890, 37891..37935, 37936..37980, 37981..38025, 38026..38070, 38071..38115, 38116..38160, 38161..38205, 38206..38250, 38251..38295, 38296..38340, 38341..38385, 38386..38430, 38431..38475, 38476..38520, 38521..38565, 38566..38610, 38611..38655, 38656..38700, 38701..38745, 38746..38790, 38791..38835, 38836..38880, 38881..38925, 38926..38970, 38971..39015, 39016..39060, 39061..39105