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

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

Question 71165: Solve the equation
(7/3)-(x/3)=(x/4)
Click here to see answer by mathman409(67)

Question 71167: Solve the equation
(2x/5)=(x/3)+2
Click here to see answer by mathman409(67)

Question 71166: Solve the equation
(r/5)+(6/5)=(r/7)+(8/7)
Click here to see answer by mathman409(67)

Question 71169: Sove the equation
2(2z-3)= 3(z +3)
Click here to see answer by mathman409(67)

Question 71171: Sove the equation
8p = 5(2p+3)
Click here to see answer by mathman409(67)

Question 71202: For some reason, they're using a question mark to indicate the plus/minus symbol.
That's because the solutions to the quadratic are:
-1+2i and -1-2i
Use the quadratic formula to find them.
Click here to see answer by galactus(183)

Question 71141: express as a polynomial
( x^2 - xy)
(---------)(2x + 6y)
( 2x )
possible answers:
x^2 - 3y^2
x^2 + 2xy -3y^2
x^2 + 3x^2y -3y^2
x^2 -xy + 3x^2y -3xy^2

My answer was x^2 +2xy -3y^2
I am not sure that I figured correctly
Click here to see answer by ankor@dixie-net.com(15663)

Question 71168: Solve the equation
-3x +7(2x-3)= -4-6x
Click here to see answer by elima(1433)

Question 71163: Solve the eqqation
(y/5)-(2/5)=(1/3)-y
Click here to see answer by ptaylor(2048)

Question 71206: The formula y = mx + b is a linear equation where m is the slope and b is the y-intercept. Solve the equation in terms of b.
Simplify (2x2 - 4x + 6)+(2x2 + 4x - 6)
This equation, 6x + 3y = 15, crosses the y axis at ______.
Write an equation of a horizontal line passing through the two points (5,-1) and (4,-1). Do not use any spaces in your answer.
Click here to see answer by checkley75(3666)

Question 71174: Solve
20x -16 is less than eqaul to 4(4x - 11)
Click here to see answer by elima(1433)

Question 71205: Find the product: (3x + 5)(4x - 1)
Which of the following is the equation of a vertical line?
x = y
y = -4
y = 3x + 2
x = 8
Simplify: (-3a2b5)2
Find (x - 4)2
Please show how you work the equations?
Click here to see answer by checkley75(3666)

Question 71177: -2(5y+2)<-12y-8
Click here to see answer by elima(1433)

Question 71041: I need help please
6x+5=3x+6
5x+8=x+5
9x+1=3x-4
2x-3=6x-4
3/4x+2=1/4x-9
THANK YOU
Click here to see answer by checkley75(3666)

Question 71154: Please someone help me with this question. I have a serious brain cramp
__5y____ + __4b_______
axy^2 bx^2y
Click here to see answer by ankor@dixie-net.com(15663)

Question 71180: Solve the formula for the specific variable
P = s1+s2+s3 for s3
Click here to see answer by checkley75(3666)

Question 71179: Solve the formula for the specific variable
F = (9/5 C)+32 for C
Click here to see answer by checkley75(3666)

Question 71263: Multiply the following functions.

I have been trying to solve this problem and an having troble figuring this one out. I need some help. Thanks
Click here to see answer by Earlsdon(6287)

Question 71268: Divide the following fraction.
(6p -18)/(9p)divide by(3p - 9)/( p^2 +2p)
I got the answer of 9p^4 + 18P^2
Is this correct?
Thanks for your time.
Click here to see answer by Earlsdon(6287)

Question 71283: b/b-1 + 2b/b^2-1 simplify
Click here to see answer by sudhir(14)

Question 71178: Solve the formula for the specific variable
P = 2L+2W for L
Click here to see answer by checkley75(3666)

Question 71309: please help
Divide 5x^2-x^4+3x+x^4 by x+1 (hint:use long division)
Click here to see answer by sudhir(14)

Question 71314: Help
Solve 5x-25=0
Click here to see answer by sudhir(14)

Question 71316: Solve 49x^2-4
Click here to see answer by sudhir(14)

Question 71310: Factor 140 into the product of primes
Click here to see answer by galactus(183)

Question 71321: factor x^2-3x-18
Click here to see answer by galactus(183)

Question 71331: ``Find the product: (3x + 5)(4x - 1)
Which of the following is the equation of a vertical line?
x = y
y = -4
y = 3x + 2
x = 8
Simplify: (-3a2b5)2
Find (x - 4)2

All work needed to arrive at a correct answer. If it is not a question that requires work, you will need to provide a complete explanation of how you determined the correct answer. (Explanations for those problems not requiring work must demonstrate your understanding of the concept.)
The correct answer.

Click here to see answer by stanbon(57412)

Question 71349: 5(2z-4)=9(z+4)
Click here to see answer by checkley75(3666)

Question 71367: Can you please help me in solving this problem...instructions...find the value of each of the following polynomials for the given values of the variable.
-x^2-5x-6, x=-3 and x=-2
Click here to see answer by checkley75(3666)

Question 71370: 4x^2+4x-3
Click here to see answer by checkley75(3666)

Question 71376: 6x2-3x-45=0
Click here to see answer by galactus(183)

Question 71386: How doe you solve these 4/a-7=-2a/a+3
Click here to see answer by checkley75(3666)

Question 71386: How doe you solve these 4/a-7=-2a/a+3
Click here to see answer by stanbon(57412)

Question 71425: Add or Subtract as indicated. Express your results in simlplest form.

I came up with an anwer of
Is this correct?
Thanks
Click here to see answer by jim_thompson5910(28598)

Question 71431: how do i add and/or subtract polynomials?
ex:: (5x-12)-(2x-7)
ex:: (24m-13)-(18m+7)+(6m-4)
Please help me solve these, i would very much apriciate it. thank you
Click here to see answer by Earlsdon(6287)

Question 71429: Add or Subtract as indicated. Express your result in simplest form.

The answer I came up with for this problem was:
I was wondering if I was doing this correctly.
Thanks.
Click here to see answer by Earlsdon(6287)

Question 71442: what will be your strategy in simplifying: (x^2 - 9)/(x^2 - 3x) ?
I need some help answering this question. Thanks
Click here to see answer by Earlsdon(6287)

Question 71426: Add or Subtract as indicated. Express your results in simlplest form.

I came up with an anwer of
Is this correct?
Thanks
Click here to see answer by ankor@dixie-net.com(15663)

Question 71478: All work needed to arrive at a correct answer. If it is not a question that requires work, you will need to provide a complete explanation of how you determined the correct answer. (Explanations for those problems not requiring work must demonstrate your understanding of the concept.)
The correct answer

If x varies directly as y and x is 25 when y is 5, find the constant of variation.
Which of the following relations is NOT a function?
(2,1), (1,-2), (-3,2), (2,-3)
(2,-1), (-1,2), (-2,3), (3,-2)
(-3,-2), (-1,0), (0,1), (1,2)
(-2,1), (-1,2), (1,1), (2,3)
This equation, 6x + 3y = 15, crosses the y axis at ______.
The sum of three consecutive ODD integers is 75.
Write the equation you would use to find these integers.

Click here to see answer by stanbon(57412)

Question 71519: 9x2+6x+1
Click here to see answer by Edwin McCravy(8918)

Question 71427: the length of a rectangle is 3 times the width. If the width were increased by 4 and the length remains the same the resulting rectangle would have an area of 231 sq.inches. find the dimension of the original.
Click here to see answer by ankor@dixie-net.com(15663)

Question 71558: The book is not helping me. Someone please help and show me how to do this
Given f(x) = 5x +7 and g(x) = x2 + 7, Find .
possible answers:
=5 x 2 + 7
. = 5 x 2 +42
. = (5x)2 + 14
.= 25 x 2 + 70x + 56
Thank you
Click here to see answer by stanbon(57412)

Question 71552: can you give three examples of something you do, that process using a polynomial?
I can give the examples of somethhing we would possibly use them, but not sure how to confidently answer this question, and need some assistance. Thanks
Click here to see answer by venugopalramana(3286)

Question 71518: I don't get how to solve the problem.At all!
Click here to see answer by mathman409(67)

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, 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