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

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

Question 773399: what is x minus 2 over x minus 1 = x plus 4 over 2x plus 2
Click here to see answer by ankor@dixie-net.com(22740)

Question 773583: I need help finding the volume:
The volume of a cargo container is modeled by the
function V(x)= x
3
- 39x - 70. Identify the values of
x for which V(x)= 0,
Click here to see answer by Alan3354(69443)

Question 773585: I need help factoring this completely:
2x^3+x^2-72x-36
Click here to see answer by Alan3354(69443)

Question 772752: compute the value of |-6-6i |
Click here to see answer by tommyt3rd(5050)

Question 773707: Please help me solve this equation:
solve into partial fractions
(1/(x^3+1))

Click here to see answer by stanbon(75887)

Question 773767: I need help factoring this polynomial:
Click here to see answer by Tatiana_Stebko(1539)

Question 773775: I need help factoring this polynomial:
Click here to see answer by Tatiana_Stebko(1539)

Question 773781: I need help factoring this polynomial:
Click here to see answer by Cromlix(4381)

Question 773737: Is this how to reduce this expression?

5a-{-[(-3a+2b)-4b]+[-7a-(a-b)]-3b}
=5a-{-[-3a+2b-4b]+[-7a-a+b]-3b}
=5a-{3a-2b+4b+7a+a-b-3b}
=5a-3a+2b-4b-7a-a+b+3b
=-6a+2b

Click here to see answer by KMST(5328)

Question 773840: How do i factor 4x^6-4x^2
Click here to see answer by MathLover1(20849)

Question 774031: Can someone please explain to me how to find the missing numerator in the equation,
2/3x=?/12x^3
Click here to see answer by josgarithmetic(39613)

Question 774115: need help starting this problem
of the roots of (x-2)(3x+4)=0 is
Click here to see answer by solver91311(24713)

Question 774148: what is the answers and steps to this equation? 3(q-5)=2(q+5)

Click here to see answer by oscargut(2103)

Question 774096: solve and check your answer
2/x-1+1=4/x^2-1
Click here to see answer by ankor@dixie-net.com(22740)

Question 774154: what is the answer to this equation 8-(3+b)=b-9

Click here to see answer by rfer(16322)

Question 774312: hi I am doing Algebra review for going into H. Geometry and I am stuck on two types of math problems the first is the sq. root of 11 * sq. root of 22 - at first i tried simplifying 22 into 11 so then it would be sq.root of 11 * 11 but since I can't simplify sq.root of 11 anymore I was stuck. Could you please help me ?
My second problem is 2 over(numerator) sq.root of 3(denominator). How do I solve these? I haven't any type of math this whole summer and that was poor planning realizing how much I forgot so please respond.
Click here to see answer by solver91311(24713)

Question 774327: Simplify.

8/(y-3) - 7/y
5/(y^2-3y) + 2/y
Click here to see answer by tommyt3rd(5050)

Question 774326: Simplify.

8/(y-3) - 7/y
5/(y^2-3y) + 2/y
Click here to see answer by tommyt3rd(5050)

Question 774384: find th values for which the rational expression is undefined -6+9x/x^3-8x^2+7
Click here to see answer by lwsshak3(11628)

Question 774472: The question is find the value of 'x' that makes each equation true.
The problem : 8x-10=x+11
I've tried the numbers 1-10 but it just wont work because every number i multiply with 8 is going to be higher than any number + 11 . Please help
Click here to see answer by Alan3354(69443)

Question 774631: -7xy,3x + 4y^2,2y

Click here to see answer by tommyt3rd(5050)

Question 774632: -7xy,3x + 4y^2,2y

Click here to see answer by tommyt3rd(5050)

Question 774716: It says "tell whether each equation is true, false, or open. Explain.
1. 13+(-12)-3=-2
Click here to see answer by solver91311(24713)

Question 774793: Please help me with this problem. I need to exclude the values in the denominator
(m2-8m+15)/(5m2+m) give me the step by step factoring process and what would be excluded in the denominator
Click here to see answer by sofiyac(983)

Question 774882: I am just having trouble figuring out exactly where to start I have gotten a little ways a couple of different tries. 7x+2 is over 14x-3 and likewise on the other side of the equation. I have tried multiplying both sides by the 2x+3 denominator. Then I have all of these variables on the left and only x-8 on the right. I am having trouble making sense of this. I feel like I am close I just need a bit of a nudge. Thanks
7x + 2 = x � 8
14x � 3 2x+3

Click here to see answer by mananth(16946)

Question 774936: What is the steps to Factor this polynomial completely?
2x�-12x-80
Click here to see answer by Edwin McCravy(20054)

Question 774991: solve using the AC method and shows steps:
w^3 - 3w^2 - 18w
Click here to see answer by tommyt3rd(5050)

Question 775184: I need help finding the product of this equation:
(2x+1/3)^2
Click here to see answer by sofiyac(983)

Question 775265:
Click here to see answer by jim_thompson5910(35256)

Question 775369: I'm having a hard time making an equation for this problem. Please explain how to solve this: The sum of the squares of two numbers is 18 and their product is 2. if their difference is 3, find the difference of their cubes.
Click here to see answer by Edwin McCravy(20054)

Question 775371: 7(x^2+8)-(2-4)
-------------------
16(x)+8
X= -2
I know I have to plug in -2 to X. However after that I'm not sure whether I have to distribute the 7 and the -1 or if I subtract them first and then distribute the result
Click here to see answer by Edwin McCravy(20054)

Question 775342: 21x squared - 46xy +13y squared
Click here to see answer by sofiyac(983)

Question 775397: What is the expression of lowest degree by which must be multiplied to give a perfect square?
Click here to see answer by Edwin McCravy(20054)

Question 775478: Write each polynomial in standard form. Then name each polynomial based on its degree and number of terms.

a. 5 + 3x
b. 7 - 8a2 + 6a
c. 5x + 4 - x2
d. 2 + 4x2 - x3
e. 4x3 - 2x2
f. y2 - 7 - 3y
g. x - 6x2 - 3
h. v3 - v + 2v2
i. 8d + 3d2

Click here to see answer by sofiyac(983)

Question 775560: Write using positive exponents and simplify, if possible. 5�^3
Click here to see answer by algebrahouse.com(1659)

Question 775562: Factor each polynomial and factoring them.

a. 2w3 + 6w2 - 4w b. 12c3 - 30c2
c. 2x2 + 8x - 14
d. 4x3 + 12x2 + 16x e. 16m3 - 8m2 + 12m
f. 4a3 - 20a2 - 8a
g. 18c4 - 9c2 + 7c h. 6y4 + 9y3 - 27y2 i. 6c2 - 3c
Click here to see answer by tanjo3(60)

Question 775689: I am having trouble solving for x , please help
(3x^2+10x+3)/(x+3)=(x^2-4x+3)/(x-1)

Click here to see answer by ankor@dixie-net.com(22740)

Question 775978: I need to prove that
((x+4)/(3x^2-7x))=(((1/x)+(4/x^2))/(3-(7/x)))
By showing the steps,
So far I have tried working from the right side of the equation to get to the left, and made it into a complex fraction and combined it, then multiplied the numerator by the denominators reciprocal in order to make it a normal fraction and ended up with ((1-x)(1-4)/(3-7)(x^2-x))
Click here to see answer by MathLover1(20849)

Question 776019: 2x^2-14x+24
Click here to see answer by Alan3354(69443)

Question 776089: I need help factoring out the greatest common factor from a polynomial. The problem is: 5(m-3) - 7(m-3)^2 + 5(m-3)^3. All the examples I've looked at on how to factor out the greatest common factor have not helped.
Click here to see answer by DrBeeee(684)

Question 776118: x-6=-5/x
Click here to see answer by sofiyac(983)

Question 776146: v2+4v
Click here to see answer by sofiyac(983)

Question 776628: Good night
Can you help me with this problem ?
Thanks a lot
Factorize the equation
x^3-3x^2-4x+12

Click here to see answer by 1998Baby(63)

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