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

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

Question 195800: I am having problems with this question.
Factor completely
27b^4-64b
Thank you for any help!!!!
Click here to see answer by edjones(7569)

Question 195829: Please help! I need to express the following rational expression in lowest terms:
x^2-x-12
--------
x^2-16
Click here to see answer by solver91311(16897)

Question 195828: Please help! I need to express the following rational expression in lowest terms:
x^3+5x^2
---------
2x^2+9x-5
Click here to see answer by solver91311(16897)

Question 195828: Please help! I need to express the following rational expression in lowest terms:
x^3+5x^2
---------
2x^2+9x-5
Click here to see answer by jim_thompson5910(28598)

Question 195828: Please help! I need to express the following rational expression in lowest terms:
x^3+5x^2
---------
2x^2+9x-5
Click here to see answer by vleith(2825)

Question 195822: WHat are the factors of x^2-8x+12
Click here to see answer by jim_thompson5910(28598)

Question 195822: WHat are the factors of x^2-8x+12
Click here to see answer by vleith(2825)

Question 195821: What are the factors of n^2-7n+10
Click here to see answer by jim_thompson5910(28598)

Question 195843: Multiply and Simplify: 2x^2-x-3 over x^2-1 * x^2+x-2 over 2x^2 +x-6
Click here to see answer by jim_thompson5910(28598)

Question 195850: I need help to solve this problem:
x^2=-16x-64

Click here to see answer by keyshaMC(1)

Question 195881: Solve by the method of your choice x^2-6x-7=0
Click here to see answer by jim_thompson5910(28598)

Question 195912: Please help me solve this equation: 1/4x+x/4=x/2
Click here to see answer by stanbon(57387)

Question 195906: write an expression in simplest form for the sum of the angles of a triangle
a(2x+15) c(x+5) b(x)
Click here to see answer by Alan3354(30993)

Question 195920: Please help me solve this equation: 2x+1=15/x
Click here to see answer by solver91311(16897)

Question 195928: Find P(-1/2) if P(x)= 4x^4 - 2x^3 + 17
Click here to see answer by jim_thompson5910(28598)

Question 195911: Please help me solve this equation: x/5-2/x=-3/5
Click here to see answer by anantha(86)

Question 195921: Please help me solve this equation: 9/x+2=3/x+2 +2x
Click here to see answer by anantha(86)

Question 196034: Hello,
Please help me I need to express the following rational expression in lowest terms
x^2-x-12
--------
x^2-16
Thank you!
Click here to see answer by jim_thompson5910(28598)

Question 196033: Please help me with the following problem, This is multiplication & division of polynomials
The problem is: (6x^3+19x^2+x-6)/(3x+2)
The answer I got was 2(x^4-16y^4) I'm being told I need to factor the expression in the parenthesis further using difference of squares
Thanks
Click here to see answer by RAY100(1637)

Question 196070: x^2-5x-14
Click here to see answer by jojo14344(1512)

Question 196126: Please help me solve this equation: (12x^2+17x-5)/(3x+2)
Click here to see answer by solver91311(16897)

Question 196147: WHAT IS (5K+5)-(-2K+3)=
Click here to see answer by Alan3354(30993)

Question 196146: WHAT IS (7H+9)-(-2H+6)
Click here to see answer by Alan3354(30993)

Question 196144: what is (9G+6)-3G+-1)
Click here to see answer by Alan3354(30993)

Question 195923: Please help me solve this equation: y=x+1/x-1 +5
Click here to see answer by Alan3354(30993)

Question 196210: graph the polnomial function:
y=(3x+2)^2(x-1)(4x-7)
Click here to see answer by Alan3354(30993)

Question 196276: I don;t really understand how to get the answers to these problems, please help.
f(x)= 2x^3-5x^2-14x+8, f(x)=2x^3-x^2-32x+16, f(x)= 3x^4-8x^3-5x^2+16x-5, f(x)= 2x^5+x^4+x^3+x^2-32x-16
Click here to see answer by solver91311(16897)

Question 196287: what is 2 to the 7th power times 2 to the second power
Click here to see answer by Earlsdon(6287)

Question 196295: combine(4a-5b)+(2a-8b)+(a+b)
Click here to see answer by edjones(7569)

Question 196258: 4a2-8a5
Click here to see answer by edjones(7569)

Question 196229:
Could you please help me with Multiplying and Simplify
x^2-x-6 16x^3-25x
------- * ---------
4x^3-5x^2 3x-9
Thanks I appreciate any help!!!
Click here to see answer by anantha(86)

Question 196333: What value of c makes the polynomial below a perfect square? 4x^2+28x+c what is the value of c? Please I need help!!!!
Click here to see answer by nerdybill(6962)

Question 196228: Could you please help me out with the following question?? Please...
Add
z 6
----- + -----
z^2-3z-10 z+2
Thank you for all your help!
Click here to see answer by edjones(7569)

Question 196352: how do I solve 3 square root x variable minus 5 = 3
Click here to see answer by solver91311(16897)

Question 196367: I cannot figure this out. Can you help me please?
Rectangular stage. One side of a rectangular stage is 2 meters longer than the other. If the diagonal is 10 meters, then what are the lengths of the sides?
Thank you. Angel
Click here to see answer by scott8148(6628)

Question 196397: I have been working on this math problem and I can't seem to figure it out. Iwas wondering if someone could help me? Please and Thank You!! I would deeply apperciate it!!
Rational Expressions
10 root 32 divided by 8 root 4
Click here to see answer by vleith(2825)

Question 196419:
I know you then move the "165" to the other side to get then you factor, but i am having trouble with the factoring and finding what "b" is. Please help me!
Click here to see answer by solver91311(16897)

Question 196395: I have been working on this math problem and I can't seem to figure it out. I was wondering if someone could help me? Please and Thank You!! I would deeply appreciate it!!
Rational Exponents
∛4/6 root 2
Click here to see answer by Alan3354(30993)

Question 196365: Area of a sail. The area in square meters for a triangular sail is given by A(x)=x^2 +5x+6.
a) Find A(5).
b) If the height of the sail is x+3 meters, then what is the length of the base of the sail?
Thank you.Angel
Click here to see answer by nerdybill(6962)

Question 196101: I need your help in add\subtract Polynomials as in this problem
?
Click here to see answer by Alan3354(30993)

Question 196539: I need to simplify the following:
x^2 -x -12 / x+4
I can do the top part (x+3)(x-4)...but I can't cross out x-4 which is over x+4 ...Right?
Thanks,
Jake
Click here to see answer by Alan3354(30993)

Question 196534: how would you factor 6x^2-7x+2 i know you mutiply 6 and 2 but i dont know what to do after that
Click here to see answer by scott8148(6628)

Question 196572: I'm having some trouble getting the other value of "x" on this problem, Can you help me?
Find all real solutions of the equation. (If there are extra answer boxes, enter NONE in the last boxes.
x+6/x-2 = 3/x+2 + 32/x^2-4
thanks!

Click here to see answer by jim_thompson5910(28598)

Question 196610: could someone please help with this doosy??
if y= 16/5.(1+sqrt(x))^1/2. (x+2.sqrt(x)-4), what are y' and y''??
Click here to see answer by Alan3354(30993)

Question 196606: Elisa sold 110 tickets for the football game. Adult tickets cost $4.00 and student tickets cost $2.oo. If she collected $340, how many of each kind ot ticket did she sell?
a. Define the two variables for this problem and then write two equations for the problem.
b. Solve the system of equations you wrote above to find how many adult and student tickets were sold.
Click here to see answer by ankor@dixie-net.com(15660)

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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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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