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

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

Question 104687: page 330 # 64 - factor each polynomial
x^2 - 5xs -24s^2
Click here to see answer by Fombitz(13828)

Question 104746: Simplify (y^3/z^5)^4
Click here to see answer by duggie(26)

Question 104746: Simplify (y^3/z^5)^4
Click here to see answer by Fombitz(13828)

Question 104748: Which of the following is not a polynomial?
A) 4x^3 + 5x – 1
B)2x – 1/x
C) 3xy^2 + xy
D) 24
Click here to see answer by duggie(26)

Question 104751: Simplify. Write your answer with only positive exponents.
r^5/r^20
Click here to see answer by duggie(26)

Question 104670: Factor completely:
27x3 – 8y3
Hint: use the “difference of two cubes method”
Click here to see answer by edjones(7569)

Question 104760: Factor completely. 6z^3 – 27z^2 + 12z
Click here to see answer by edjones(7569)

Question 104765: Multiply.-3a^2b/35a^5 x 14a^3b^2/-9b^4
Click here to see answer by duggie(26)

Question 104765: Multiply.-3a^2b/35a^5 x 14a^3b^2/-9b^4
Click here to see answer by Fombitz(13828)

Question 104761: The profit on a watch is given by P = x^2 – 13x – 80, where x is the number of
watches sold per day. How many watches were sold on a day when there was a
$50 loss?
Click here to see answer by Fombitz(13828)

Question 104756: Factor completely. x^2 + 7x – 30
Click here to see answer by Fombitz(13828)

Question 104794: Given the function: h(x)= 2x+6 over (divided by) 7x +10, determine the equations for the vertical and horizontal asymptotes
Click here to see answer by Fombitz(13828)

Question 104930: Use FOIL to multiply:
(6x – 1)(3x – 4)

Thanks Again!
Click here to see answer by checkley75(3666)

Question 104929: Perform indicated operations
(x^2-11x+4)-(-2x^2+2x-6)-(X^2+6x-5)
Completely lost again! Thanks
Click here to see answer by checkley75(3666)

Question 104926: For f(x) = 9x – 2, find f(-3).
Totally lost again. Thank you for looking at the problem!
Click here to see answer by checkley75(3666)

Question 104926: For f(x) = 9x – 2, find f(-3).
Totally lost again. Thank you for looking at the problem!
Click here to see answer by edjones(7569)

Question 104925: Make sure to superscript all exponents. All exponents in final answers should be positive. Final answers should have all single connecting signs and be arranged in descending order.
1. Simplify and evaluate:
(x^4 y^6 z^12/9^-2 x^3 y^-8 z^-9)^0
I am confused on this one. Our seminars cover the previous week so we have to figure this out before we are taught. Thanks

Click here to see answer by jim_thompson5910(28704)

Question 104768: Subtract. Express your answer in simplest form. 4x/x-3 - 12/x-3
Click here to see answer by elima(1433)

Question 104288: 12x^2(x-4)^3=0
Click here to see answer by Fombitz(13828)

Question 104976: what values from x must be excluded in the following fraction?
1/x+9
Click here to see answer by checkley75(3666)

Question 104975: solve. x^2=-6x
Click here to see answer by checkley75(3666)

Question 105029: Perform the indicated calculations. Write the result in scientific
notation.
4.5 * 10^12/1.5 * 10^7

Thank you for your help..
Click here to see answer by bucky(2189)

Question 105104: Factor
20z^5 - 95z^4 + 60z^3
Click here to see answer by HyperBrain(694)

Question 105100: Help!
Rewrite the middle term as the sum of two terms and then factor completely.
6x^2-7x-3
Thank you
Click here to see answer by HyperBrain(694)

Question 105096: Solve the following quadratic equation
(x-5)(x+2)=18
Thank you for your help
Click here to see answer by HyperBrain(694)

Question 105099: Factor the polynomial completely
12b^3-86b^2+14b
Thanks for your help!
Click here to see answer by HyperBrain(694)

Question 105095: Factor the following into the product of two binomials. Then, confirm your answer is correct by multiplying the two binomials:
25y2 + 20y + 4

Click here to see answer by HyperBrain(694)

Question 105098: Factor completely:
x4 – 1

Click here to see answer by HyperBrain(694)

Question 105094: Factor the following into the product of two binomials. Then, confirm your answer is correct by multiplying the two binomials:
x2 - 36

Click here to see answer by HyperBrain(694)

Question 105102: Factor the polynomial by grouping the first two terms and the last two terms.
x^5+x^3-2x^2-2
Thanks for all your help these ones are really stumping me...
Click here to see answer by tutorcecilia(2152)

Question 105097: Factor the following into the product of two binomials by the “grouping” method:
x3 – 7x2 + 9x - 63

Click here to see answer by MathLover1(6808)

Question 105028: Simplify the expression. Write the answer with positive exponents only.

(m^4)-3/(m^-2)4
Click here to see answer by ankor@dixie-net.com(15746)

Question 105143: Please help me solve.
Multiply.
(x-1/3)(x+1/3)
Click here to see answer by MathLover1(6808)

Question 105167: Please help, I cannot understand the examples in the book.
Here is the question:
Factor each polynomial by grouping the first two terms and the last two terms.
x^5+x^3-2x^2-2
Thank you.
Marco
Click here to see answer by jim_thompson5910(28704)

Question 104753: Multiply. (5a – 3b)^2
Click here to see answer by Fombitz(13828)

Question 105116: Find the x and y intercepts for the equation.
20y-4x=-8
Click here to see answer by elima(1433)

Question 105177: Please help I am lost I do not understand how to factor the following binomials
64y^2- x^2
Click here to see answer by scott8148(6628)

Question 105179: b-2/b^2-4
b^2+b/b+1
factor, divide and simplify
Click here to see answer by elima(1433)

Question 105196: Multiply
5ab^2(ab - 3a + 5b)

Click here to see answer by checkley75(3666)

Question 105166: Help !
How do I find the values of each of the following polynomials for the given values of the variable??

2x^2 -5x+1, x=2 and x = -2
Thank you!!
Click here to see answer by checkley75(3666)

Question 105180: Add or subtract. Factor and simplify
3x^2+2x-5 + 2x^2-x+6
5x+1 + 5x+1

Click here to see answer by edjones(7569)

Question 105227: I could not find this one so here goes:
Factor each of the following polynomials completely
24x^2 - 18x - 6
Thanks,
Marco

Click here to see answer by checkley75(3666)

Question 105222: Factor completely:
27x3 – 8y3
Must use the “difference of two cubes method”
Click here to see answer by Juhi(44)

Question 105236: Refer to the tax deductions listed below.
Item Amount
Mortgage Interest--$8440
Union dues---------$275

Find the ratio of the mortgage interest deduction to the union dues deduction. Give the ratio in lowest terms.

Click here to see answer by edjones(7569)

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