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

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

Question 367899: what is 3x^2-8x+4 divided by 9x^2-4
Click here to see answer by Fombitz(13828)

Question 366111: find the greatest common factor
10x^8-15x^4+20x^12
i got 5x^4 but i'm not sure
thank you
Click here to see answer by robertb(4012)

Question 367994: what is f(x)
Click here to see answer by nyc_function(2733)

Question 367984: 108y^9 + 4y^3
Click here to see answer by nyc_function(2733)

Question 368054: Given f(x)= 7x+5/7x^2+5x . Find the domain and vertical asymptotes.
Click here to see answer by Fombitz(13828)

Question 368091: Hello, im 14 and in ninth grade and my lesson today was involving dividing a polynomial by a polynomial here is an example divide 3x2 - 35 + 8x by x + 5
my teacher didnt explain it well enough and i couldnt even take the first step thank you for your time.
Click here to see answer by stanbon(57219)

Question 368156: (2ab^2c^3)^5
_____________
(2a^3bc)^4
Click here to see answer by Fombitz(13828)

Question 368162: Identify the degree of the polynomial functon
Let f(x) =3x^4-7x^2 + 8x - 10.Find f(-2).
Click here to see answer by Fombitz(13828)

Question 368179: what is the answer to the following equation:(4x-24)/(3x+15)÷(12x-72)/(x+5)
Click here to see answer by Fombitz(13828)

Question 368194: solve x^2+5x=-6

Click here to see answer by jim_thompson5910(28476)

Question 368266: What is the GCF for:
16x^2z, 40xz^2, 72z^3

Click here to see answer by mananth(12270)

Question 368204: solve 3x^3-12x=0
Click here to see answer by robertb(4012)

Question 368299: 51 is what algebraic polynomials
Click here to see answer by robertb(4012)

Question 368202: A magazine company had a profit of $98,000 per year when it had 32,000 subscribers. When it obtained 35,000 subscribers, it had a profit of $117,500. Assume P is a linear function of the number of the subscribers, S. Find the function P.
Click here to see answer by robertb(4012)

Question 368272: Perform the indicated operation
(2xy/3) / y^2
Click here to see answer by Fombitz(13828)

Question 368197: (x^4 -1)\(x -1)
Click here to see answer by Fombitz(13828)

Question 368195: solve (5x+1)(x-7)=0
Click here to see answer by Fombitz(13828)

Question 368205: what is the solution to (2x-14)/(x^(2)-4x-21)÷ x+3
Click here to see answer by Fombitz(13828)

Question 368349: Express as partial fractions (3x^3+4x^2-12x+16)/(x^4-16) i understand that it is
(3x^3+4x^2-12x+16)/(x-2)(x+2)(x^2+4) but am unsure what to do after that
Click here to see answer by Fombitz(13828)

Question 368447: I need help with this Multiplying polynomials FOIL method...
(x^2+2x-3)(x^2-5x+7) is the problem i stopped here.x^4+7x^2-10x^2+4...i'm stuck

Click here to see answer by Fombitz(13828)

Question 368460: Find the maximum or minimum of the function f(x)=8x^2-4x+50.
Click here to see answer by Fombitz(13828)

Question 368470: Please help me!!!
1. Environmentalists are concerned that drilling for natural gas in Wyoming is having an impact on the groundwater and aquifers. The cost, in millions of dollars, to remove x % of pollution in a body of water is modeled by 8000/300-3x
a. What is the cost to remove 75% of the pollutant?
b. What is the cost to remove 90% of the pollutant?
c. What is the cost to remove 99% of the pollutant?

d. For what value is this equation undefined?
e. Do the answers to sections a. through d. match your expectations? Explain why or why not.

Click here to see answer by Fombitz(13828)

Question 368479: Simplify:
(yz^4)^3
Click here to see answer by Fombitz(13828)

Question 368487: Multiply 4s^2(3s^4 + 6s^2 +s-1)
Click here to see answer by Fombitz(13828)

Question 368488: Divide:
20xy^4 + 25xy^2 + 5xy
----------------------
5xy
Click here to see answer by Fombitz(13828)

Question 368485: Find the value of x^3 + 3x^2 + 5 when x=-3
Click here to see answer by Fombitz(13828)

Question 368484: Subtract:
(4x^3 + 3x) - (-x+7+6x^3)
Click here to see answer by Fombitz(13828)

Question 368482: Find the degree of the polynomial
3x^2 + 2x + 3

Click here to see answer by Fombitz(13828)

Question 368508: 1/x+3/(x+1)+x/2
simplify
Click here to see answer by Fombitz(13828)

Question 368524: simplify:[5x/(x-y)]+[5y/(y-x)]
Click here to see answer by Fombitz(13828)

Question 368453: A father and son are digging a garden that is 7 feet long and 5 feet wide. The father, working alone, can dig the garden in 3 hours. The son can do the job in 4 hours. If they both work together, how long would the two need to complete the task?
Click here to see answer by Fombitz(13828)

Question 368552: How can you factor -18st+s^2+80t^2 completely?
Click here to see answer by Fombitz(13828)

Question 368608: 2x^2-x-10
Click here to see answer by jim_thompson5910(28476)

Question 368670: please help me factor this trinomial 8y^2-6y-9
Click here to see answer by stanbon(57219)

Question 368675: I was not in class today and they worked on Polynomials . I need to understand how to do this .
Click here to see answer by solver91311(16868)

Question 368669: 5c^2-17c+14
Click here to see answer by jim_thompson5910(28476)

Question 368662: please help me factor this trinomial 6p^2+5p-6
Click here to see answer by jim_thompson5910(28476)

Question 368852: Factor by grouping: 3x^3+2x^2+3x+2
Click here to see answer by user_dude2008(1861)

Question 368852: Factor by grouping: 3x^3+2x^2+3x+2
Click here to see answer by mananth(12270)

Question 368834: Simplify
Click here to see answer by fractalier(2101)

Question 368783: How do I factor 6n^2-78n+216
Click here to see answer by jim_thompson5910(28476)

Question 368665: Please help me factor the trinomial 8k^2-9k+9
Click here to see answer by robertb(4012)

Question 368965: can someone explain how this problem is done.
g(x)=2x+10 for g(-25)
Click here to see answer by Fombitz(13828)

Question 368720: please help me factor this trinomial 8k^2-19k+9
i know that i need to find a number that you can multiply to get 72 and add to get -19 but i can't get past here
Click here to see answer by Fombitz(13828)

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