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

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

Question 427271: Please help me with this math problem------> Solve 3-(a-6/a+5)=(a^2-14/a+5)..thanks alot!
Click here to see answer by Gogonati(809)

Question 427313: simplify
a. 6^2=
b. 6^-2=
c. (1/6)^2=
d. (1/6)^-2=
e. -6^2=
f. (-6)^2=
Click here to see answer by Alan3354(30993)

Question 427308: multiply
(x^9+x^8)(x^9+x^8-x^7)=
Click here to see answer by Theo(3464)

Question 427314: divide and simplify
s^7/s^11=
Click here to see answer by Theo(3464)

Question 427311: collect like terms
7x^3+3x^3+3=
Click here to see answer by algebrahouse.com(1079)

Question 427319: multiply
-3x^2(2x+2)=
Click here to see answer by algebrahouse.com(1079)

Question 427320: multiply
(a-6)^2=
Click here to see answer by stanbon(57347)

Question 427324: how would you divide
24b^4c^4/8bc^3= please explain how, thankyou
Click here to see answer by stanbon(57347)

Question 427326: divide
15a^4-9a/-3a= please explain how
Click here to see answer by stanbon(57347)

Question 427325: how would you find the greatest common factor of 8ab^3 and 2ab^2?
please explain.
Click here to see answer by stanbon(57347)

Question 427325: how would you find the greatest common factor of 8ab^3 and 2ab^2?
please explain.
Click here to see answer by josmiceli(9678)

Question 427400: 0.54 tons/yd^3 = ?lb/ft^3
Click here to see answer by ewatrrr(10682)

Question 427312: divide and check. Write your answer using nonnegative exponents
9x^4y^2/3x^7y^2
the quotient is?
(simplify your answer)
Click here to see answer by Gogonati(809)

Question 427409: Jocelyn has test scores of 80, 77 and 89 on her first three Algebra tests. What will she need to score on her 4th test so she will have at least an 85 average?
Click here to see answer by John10(245)

Question 427352: I can't figure out how to do this:
using long division solve and then check-please show how to check the answer

Click here to see answer by ewatrrr(10682)

Question 427453: please help me solve this problem.. I keep getting the wrong answer------> 3-a-6/a+5=a^2-14/a+5.. it has to be an integer or simplified fraction...thanks
Click here to see answer by John10(245)

Question 427568: if 11 is added to the square of a number, the result is 60. Find the numbers
Click here to see answer by algebrahouse.com(1079)

Question 427560: I need help solving this?
4/(x-1)+1=8/(x^2-1)
Click here to see answer by algebrahouse.com(1079)

Question 427546: add or subtract
5/ 6a^2 + 1/6ab
Click here to see answer by algebrahouse.com(1079)

Question 427579: t2+8t-9

Click here to see answer by unlockmath(1599)

Question 427630: y-2/2y-1 +y-2/y-4 = 2
please show work.. i am confused about the simplifying stage.
Click here to see answer by Alan3354(30993)

Question 427659: factor 5d^3-25d^2
I know its 5d^2(d-5) but I don't know how to show my work for it
Click here to see answer by stanbon(57347)

Question 427656: please explain how to do long division
(b^3-27)/(b-3)=
and then how do I check this
Click here to see answer by Edwin McCravy(8909)

Question 427670: I need help could someone please explain this to me?
the equation of the line that is perpendicular to the graph of y=1/3x-4; passing through (0,-1)
Click here to see answer by ewatrrr(10682)

Question 427715: Derection: perform the idicated operation by using the LCD and simply the result.
3y+3 2y+2
------- + -------
y^2-4y-5 y^2-2y-3
Click here to see answer by ewatrrr(10682)

Question 427653: need to know how to do long division
(x^3+2x^2+3x-6)/(x-1)
Please show how to do this
Click here to see answer by Edwin McCravy(8909)

Question 427705: M+B+K do a task in 1h 20min
M needs twice as long as B,
M needs 2 hrs longer than K
Please formula, we try to figure out the solution ourselves, but don't even have a starting formula... Thank you

Click here to see answer by jorel1380(2518)

Question 427741: need someone to tell me if I'm doing this right?
multiply
(t+1)(t+4)=
would it be
t^2+4?
Click here to see answer by ewatrrr(10682)

Question 427754: i need help with this question
find either a linear or an exponential function that models the data in the table.
x 0 1 2 3 4
y 8 24 72 216 648
Click here to see answer by ewatrrr(10682)

Question 427788: how do i do (3.8 times 10 to the 5th) divided by (1.9 times 10 to the -6th)
Click here to see answer by rfer(12657)

Question 427846: Hi - I am having some trouble understanding "higher degree polynomial equations" Can you please help me solve this, and show me how:
4x^4 - 2x^2 - 4 = 2
Thank you!!!
Click here to see answer by richard1234(5390)

Question 427819: I need help factoring polynomials..
Like squares and such. So, I guess here's #1:
Find the product by using the difference of two squares-
45*55
Please help! Thank you!
Click here to see answer by sudhanshu_kmr(1152)

Question 427808: please help me solve
e^-2/(m^2)^2c^3
instructions are to simplify and rewrite without using negative or zero exponents
Click here to see answer by MathLover1(6632)

Question 427759: perform the idicated operation by using the LCD and simplify the result.
5x 3x
____ _ ______
x-7 7-x
Click here to see answer by ankor@dixie-net.com(15652)

Question 428046: Factor completely.
64x^3 + 1
Click here to see answer by Gogonati(809)

Question 427739: please help, I have been trying to figure this out
need to simplify and rewrite without negative or zero exponents
e^-2/(m^2)^2c^-3
its writen with e^-2 on top then a line and then the others on bottom.
I'm thinking its division?
Click here to see answer by ankor@dixie-net.com(15652)

Question 428065: please help
factor and show how you checked it
x^2+1=2x
I think the answer is (x+1)^2
but I don't know how to show my work and also don't know how to show Check process.
Click here to see answer by mananth(12270)

Question 428082: can someone please tell me if I did this factor correctly?
(x^2-9)= (x+3)(x-3)
Click here to see answer by nerdybill(6958)

Question 428098: Divide.

Thank you for your help
Click here to see answer by stanbon(57347)

Question 428104: Divide.

Click here to see answer by stanbon(57347)

Question 428107: solve 2/xy + 5/x
Click here to see answer by solver91311(16885)

Question 428105: The sum of a number and 6 times its reciprocal is 5. Find the number(s).

thanks.
Click here to see answer by solver91311(16885)

Question 428079: I need help with this word problem.
A decorative slate centerpiece for a kitchen island has the shape of a rectangle with a semicircular section attached at each end.The radii of the semicircles measure x/2 inches.The perimeter of the centerpiece is 38 inches.Write a completely factored polynomial whose values give the area of the centerpiece.
Click here to see answer by Theo(3464)

Question 428150: I have worked this problem at least six times on paper. This particular area is giving me a headache. Please help.
Find the polynomial with the lowest degree having the following zeros -2, 2-i
A)x^3+6x^2+10
B)6x^2+13x+10
C)x^3+6x^2+13x+10
D)x^3+2x+3x-10
E)None of the above
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, 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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, 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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