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

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Question 185535: Simplify the polynomials by combining like terms.

1/6x^2 - 1/2x^3 + x^2 - 1/4x^3 + 17

Simplify your answer. Use integers or fractions for any numbers in the expression.
Click here to see answer by jim_thompson5910(28598)

Question 185547: The sum of a positive number and its square is 12. What is the number?
Click here to see answer by jim_thompson5910(28598)

Question 185549: Which binomial is a factor of 6x^2 + x – 2?

Click here to see answer by jim_thompson5910(28598)

Question 185548: Which binomial is factor of 2x^2 – 7x + 3?
Click here to see answer by jim_thompson5910(28598)

Question 185603: 5^-1 + 6^-1
Answer should be a simplified fraction
Click here to see answer by jim_thompson5910(28598)

Question 185632: I need to solve y-7/y-9 - 2/y-9 this is just pratice problems to try to improve my skills.

Click here to see answer by jim_thompson5910(28598)

Question 185598: -1.2y(-7y^7)

Simplify answer
Click here to see answer by checkley77(12569)

Question 185723: please help with polynomial.

x^3+125

thank you
Click here to see answer by nerdybill(6962)

Question 185734: Solve (u+9)^2-16=0 where u is a real number. Simply your answer as much as possible.
Click here to see answer by nerdybill(6962)

Question 185736: Find the roots of the quadractic equation:
u^2-5u=0
Click here to see answer by nerdybill(6962)

Question 185737: 2x^2+5x=3
Click here to see answer by nerdybill(6962)

Question 185762: How do I factor out 27m to the nineth power minus 8n to the nineth power?
Click here to see answer by stanbon(57379)

Question 185748: factor the polynomial completely . 49x squared - 42xy +9y squared

:] thankss
Click here to see answer by stanbon(57379)

Question 185780: please help on polynomial.

27y^3-8

thanks
Click here to see answer by edjones(7569)

Question 185759: please help me solve these problems
b/3=-3/4

z2+z=2
Click here to see answer by checkley77(12569)

Question 185851: Exercise 1.3
59. a^3-216
65. 1000y^3-z^3

Click here to see answer by solver91311(16897)

Question 185820: please help with this problem

Find the GCF for this set of monomials

21x^5,189x^8

thank you
Click here to see answer by edjones(7569)

Question 185809: I'm having trouble with this fraction.

1-8r^3
________
8r^2+4r+2
Click here to see answer by jim_thompson5910(28598)

Question 185757: factor the polynomial completely . 49x squared - 42xy +9y squared

:] thankss
Click here to see answer by checkley77(12569)

Question 185735: Solve x^2=50 where x is a real number. Simplify your answer as much as possible.
Click here to see answer by checkley77(12569)

Question 185733: Compute the value of the discriminant and give the number of real solution to the quadractic equation
4x^2-x+5=0
Click here to see answer by checkley77(12569)

Question 185633: 5/x+2 = 4/x-5 this is practice problems
Click here to see answer by ankor@dixie-net.com(15660)

Question 185874: -x^2+6x+5 when x = -2
Click here to see answer by awang1996(50)

Question 185923: could you please help me in solving this problem?I have to factor each trinomial
the problem is x2+8x+12
Click here to see answer by scott8148(6628)

Question 185925: Please show me how to work this difference of 2 rational expressions, reduced to its lowest terms.
y / 7x - x-2 / 2y
or: Y divided by 7x minus x-2 divided by 2y.
Your help is greatly appreciated!
Click here to see answer by stanbon(57379)

Question 185941: Find the exact area of a triangle with a base of square30 meters and a height of square6 meters.
Click here to see answer by Alan3354(30993)

Question 185931: DIfference of 2 rational expressions reduced to its lowest terms, I need help with please- I need you to show me how to work completely. THANKS!
5 / x-5 - 7 / 5-x
I know I need to multiply something? by a neg. one but not sure what.
Click here to see answer by Alan3354(30993)

Question 185025: Please help me solve these equations I tried to solve them my self but keep getting stuck.
solve the equations
(x-3)2 +(x+2)2=17

8 = 6
a2+a-6 a2-9

5 1 = 1
2m+6 m+1 m+3

Click here to see answer by Alan3354(30993)

Question 185938: (2x-1)^2=-4
Click here to see answer by Alan3354(30993)

Question 185939: x^2-8x+17=0
Click here to see answer by jim_thompson5910(28598)

Question 185862: Hi, I have been having some troubles with my review assingment for Algebra1. My friend recommended your website for help. So I was wondering if you could possibly help me. I would greatly appreciate it if you could answer my question.Here it is:
Simplify each rational expression.
9x2-15x+25
----------
27x3+125

Thank you very much, Rachel
Click here to see answer by edjones(7569)

Question 184928: 5x3y-125xy

2m3+16

2x3+6x2-3x-9

Click here to see answer by swiemers(10)

Question 185241: what is the answer to the monomial 7x^6y^4 + (x^6y^4) ?
Click here to see answer by swiemers(10)

Question 186066: please help me with this polynomial.

z^2+9z+20

thank you and please show work so i know how to complete it on my own.
Click here to see answer by josmiceli(9697)

Question 186093: Hello, I'm currently in the eighth grade and i'm taking algebra I. I really need to know the steps for how to solve each type of polynomial!! Please show each type of polynomial, the rule of the type, then an example, and finally the steps on how exactly to solve that cartain type of polynomial. Thank you!!! :)
Click here to see answer by Alan3354(30993)

Question 186132: calculate the roots of solutions of the following polynomial equation by factoring it.
x3 + 3x2 = x + 3
I know that I can pull out x squared from the left side, but am not sure if that really helps.
Click here to see answer by HyperBrain(694)

Question 186138: please help me and show work.

rq+2r+2qs+4s
Click here to see answer by edjones(7569)

Question 186129: The volume of a carpet that is rolled up can be estimated by the polynomial
πR^2h - πr^2h
a) factor the polynomial
b) Use both the original and the factored forms to find the volume of a roll for which R =50cm, r =10cm, and h =4m. Use 3.14 for π.
Click here to see answer by edjones(7569)

Question 186253: 8x^3-64
Click here to see answer by nerdybill(6962)

Question 186269: i just need help in trying to solve this division of polynomials:
(24x2-19x+6)/(8x-1)
Click here to see answer by stanbon(57379)

Question 186269: i just need help in trying to solve this division of polynomials:
(24x2-19x+6)/(8x-1)
Click here to see answer by josmiceli(9697)

Question 186285: please help on this problem.

6x^2-5x-6

thanks
Click here to see answer by Alan3354(30993)

Question 186283: please show me how to work this problem.

30x^3y+54xy^6
Click here to see answer by Alan3354(30993)

Question 186283: please show me how to work this problem.

30x^3y+54xy^6
Click here to see answer by stanbon(57379)

Question 186294: please help "solve".

6x^2-5x-6
Click here to see answer by Alan3354(30993)

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