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

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

Question 179563: Explain in your own words(a+b)^2= a^2+b^2
Give a numerical example. Thank You
Click here to see answer by jim_thompson5910(28715)

Question 179566: i need some help please
(4x-3)(3x+2)=0
thank you for the help
Click here to see answer by jim_thompson5910(28715)

Question 179567: i need some help because im having trouble with this problem
4x^2=36
thank you for the help
Click here to see answer by jim_thompson5910(28715)

Question 179602: Complete the factoring 2x^5+10x^4-12x^3 = 2x^3(x-1)( )
Click here to see answer by Earlsdon(6294)

Question 179600: Factor w^2-3w-18=
Click here to see answer by jim_thompson5910(28715)

Question 179598: Factor the trinomial 42b^2-43b-7=
Click here to see answer by jim_thompson5910(28715)

Question 179594: Factor 8x^4-16x^2=
Click here to see answer by jim_thompson5910(28715)

Question 179584: Factor 8a^2+2a=
Click here to see answer by Mathtut(3670)

Question 179583: Factor 27-64a^3
Click here to see answer by Mathtut(3670)

Question 179583: Factor 27-64a^3
Click here to see answer by jim_thompson5910(28715)

Question 179580: Factor 15b^2+5b=
Click here to see answer by Mathtut(3670)

Question 179581: Factor the trinomial 5c^2-60c+160
Click here to see answer by Mathtut(3670)

Question 179582: Factor 27-64a^3
Click here to see answer by Mathtut(3670)

Question 179637: Factor out the greatest common factor
5x^4-35y^3+15x^2
Click here to see answer by stanbon(57967)

Question 179636: 4c^2+9c+5=
Click here to see answer by Mathtut(3670)

Question 179630: Factor w^2-3w-18+
Click here to see answer by Mathtut(3670)

Question 179627: Factor 8a^2+2a=
Click here to see answer by Mathtut(3670)

Question 179634: factor by grouping
4+9xy-18y-2x=
Click here to see answer by Mathtut(3670)

Question 179652: Not sure how to divide this, can someone please help me?
(25b^3+15b^2+25b+37)/(5b+5)
Click here to see answer by Mathtut(3670)

Question 179633: 25v^2-49
Click here to see answer by checkley77(12569)

Question 179628: Factor 42b^2-43b-7=
Click here to see answer by checkley77(12569)

Question 179760:
Click here to see answer by Edwin McCravy(8999)

Question 179765: Explain (a+b)^2^1+b^2
Give a numerical example. Thank You.
Click here to see answer by solver91311(17077)

Question 179779: 7s^2-56s+105
Click here to see answer by Mathtut(3670)

Question 179795: Find each product.
(2c - 3) (2c + 4)(2c - 1)
Click here to see answer by stanbon(57967)

Question 179881: Could you please help me solve this problem. I tried to solve it by using the given measurements to find the area and then plugging the variable into an equation that would work for the value of the variable. It did not work and left me just as confused. The problem states:"Mr. Herrera had a concrete sidewalk built on three sides of his yard as shown at the right. The yard measures 24 feet by 42 feet. The longer walk is 3 feet wide. The price of the concrete was $22 per square yard, and the total bill was $902. What is the width of the walk on the remaining two sides?
Click here to see answer by solver91311(17077)

Question 179821: (32y^4-12y^2-36y) divided by (4y)
Not sure how to solve this, and didn't know how to make the division symbol on the keyboard. Thanks
Click here to see answer by Mathtut(3670)

Question 179777: r/r-1 + r/r-9=1 and d/d+4 + d/d+9=1
Click here to see answer by Fombitz(13828)

Question 179970: I'm not sure if it's supposed to be distributive property or something different.
Click here to see answer by ptaylor(2052)

Question 180060: (3x)divided by (x-1)
Click here to see answer by Mathtut(3670)

Question 180066: 6t(2t-3)-5(2t2+9t-3)
Click here to see answer by Mathtut(3670)

Question 180140: If x=6, y=4, z=3, evaluate : x^-2 y^0 / z^-3
Click here to see answer by Mathtut(3670)

Question 180181: this is the problem that i tryed to solve but got confused
4x2y2-4x2-9y2+9
4(x2y2-x2)-9(y2+9)
4x2(y2-1)-9(y2-1)
(4x2-9)(y2-1)
did i do this correctly or am i missing a step
Click here to see answer by stanbon(57967)

Question 180212: I have been struggling to figure out this math problem and I was wondering if someone could help me? Please and Thank You!! I would deeply appreciate it!!
Find the real roots of the equation 2x^3=-16
Click here to see answer by Fombitz(13828)

Question 180250: If the sides of a square are lengthened by 3 meters the area becomes 81 meters squared. Find the length of a side of the orginal square.
Click here to see answer by solver91311(17077)

Question 180246: The number of square feet in the area of a square is 5 more than the number of feet in the perimeter of the square. Find the length of a side.
Click here to see answer by solver91311(17077)

Question 180300:
Click here to see answer by Mathtut(3670)

Question 180325: need to find all the real zeros of each polynomial function. using the zeros to factor f over the real numbers f(x)= 3x3+6x2-15x-30
Click here to see answer by Mathtut(3670)

Question 180356: (3x-1)^3
Ive started with FOIL.
(3x-1) (3x-1)
9x-3x-3x+1
I have a feeling this is not right,please help me go from here. I do know once I get this answer,I will need to multiply it once again by (3x-1). Thanks so much!
Click here to see answer by Mathtut(3670)

Question 180449: (6x^3+19^2+-6) divided by (3x+2)
Didn't know how to make the division symbol. Thanks
Click here to see answer by Mathtut(3670)

Question 180463: Find the product of (x^2+7x-2 with the quotient of (16x^5+8x^4+24x^3)divided by
4x^3
Familiarize, Translate, Carry Out, Check and State to solve. I am sooo lost here. Thanks
Click here to see answer by Mathtut(3670)

Question 180478: What is the area in sq. feet of a room that is (2x-3) feet wide and (3x-1)
feet long. Familiarize, translate, carry out and state to solve. Thank You
Click here to see answer by Alan3354(31528)

Question 180498: 1/-z to the 5th
solve when z = -0.1
_
Click here to see answer by Mathtut(3670)

Question 180495: Find the greatest of three consecutive odd intergers if the product of the second and third is 8 more than 13 times the first.
Click here to see answer by Mathtut(3670)

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