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

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

Question 8099: I am having a problem with "special cases of factoring".
x^2-100
I think that it is, (x+100)(x-100)
Click here to see answer by prince_abubu(198)

Question 8148: How do I simplify this problem
3a + b/6a + 2b
Click here to see answer by longjonsilver(2297)

Question 8179: Simplify.... (x^3-8) / (x-2)

Comment---> no idea where to start!
Thank you
Click here to see answer by longjonsilver(2297)

Question 8205: How do I simplify this problem:
(x^2 - y^2) / (x + y)
Click here to see answer by Earlsdon(6294)

Question 8209: How do I simplify this problem?

(a^2 - 2ab +b^2) / (a - b)
Click here to see answer by Earlsdon(6294)

Question 8212: How do I simplify this problem?
(2x^2 + x - 6) / (2x + 4)
Click here to see answer by Earlsdon(6294)

Question 8211: How do I simplify this problem?
a^2 - 2ab + b^2 / a + b
Click here to see answer by glabow(165)

Question 8310: How do I solve this problem?
b / b - 1 + 2b / b^2 - 1
Click here to see answer by bonster(299)

Question 8315: Find the LCD.....
3/a , 3/b , 1/5
Click here to see answer by bonster(299)

Question 8309: ( ) � ()
Click here to see answer by bonster(299)

Question 8314: How do I simplify this problem by dividing it?

Click here to see answer by bonster(299)

Question 8312: Hoe do I solve this problem?
4 / a - 5 - 1 / 5 - a
Click here to see answer by longjonsilver(2297)

Question 8424: I am having difficulty factoring trinomials, could you please help me with this problem?

Click here to see answer by srinivas123(23)

Question 8477: (3/(X^2-9))is equal to (6/(X+3))
Click here to see answer by arunpaul(104)

Question 8437: How do I do this problem?

Click here to see answer by bonster(299)

Question 8519: I'm having problems solving equations with fractional coefficients.
2.4x - 1.2x = 4.8
Click here to see answer by prince_abubu(198)

Question 8529: I can't simplify this problem
x^-2 y^3
Click here to see answer by glabow(165)

Question 8526: How do I simplify this problem?
(a^2 b^0 c)^0
Click here to see answer by glabow(165)

Question 8530: 3x^-2
Click here to see answer by rapaljer(4671)

Question 8589: 9m 3m 5n 25n (these are exponents)
X -2X -2t +X
can this be simplyfied anymore???
the ? was:
(X to the 3m power - T to the 5n power) squared
HELP!!
Click here to see answer by rapaljer(4671)

Question 8865: y/10 =-2/5
Click here to see answer by mrduffner(11)

Question 8886: I've been stuck on this problem for a long time....
How can u factor:
7x2y2+147xy2-504y2=
(the 2 means to the 2nd power)
Thanks!!
Click here to see answer by rapaljer(4671)

Question 9208: x/4 + 3x/5 = 17
Click here to see answer by rapaljer(4671)

Question 9323: Can someone check to see if my answer is correct?
Factor: 2x^2 - 98
I belive the answer is 2(x+7)(x-7)
Thanks
Click here to see answer by rapaljer(4671)

Question 9337: Here is one that I am stuck on. Actually I have two of them. I might as well give both.
1. Choose the correct factored form for x^ - 12x + 35
I am stuck. Either it is (x + 7)(x + 5) or it is (x - 7)(x - 5)
2. Choose the correct solutions for the quadratic equation x^2 + 3x - 10 + 0.
I believe the answer to this one is (-5, 2)
Thanks
Click here to see answer by lucky83(12)

Question 9339: Here is a word problem....I always have problems with word problems.

The width of a rectangle is 8 feet less than the length. If the area is 20 square feet, find the length and width.

Can you please show me how you get the answer as well? I believe the answer is 10 feet = length and width is 2 feet.
Thanks
Click here to see answer by rapaljer(4671)

Question 9343: Sorry but I typed an error in the formula before. I am not sure this matters or not. I previously posted it as follows: x^2 + 3x - 10 + 0.
It should be = 0 not + 0 So here it is again.

Choose the correct solutions for the quadratic equation x^2 + 3x - 10 = 0.
I believe the answer to this one is (-5, 2)
Thank You
Click here to see answer by rapaljer(4671)

Question 9293: Hi I need a little help with this problem. The directions are to find the LCD and do not combine fractions.
13/x^2-16, 7/x-4
If you could show how you did the problem it would be a big help.. Thank you.
Click here to see answer by rapaljer(4671)

Question 9605: hi i need help for this equation and how to to arrive at the answer.
solve (find values) for A, B, C, D, F
(x^4 - 4x^2 - 7x - 28) = A(x^B + C)(x^D - F)
Click here to see answer by khwang(438)

Question 9659: How do I completely Factor ?
Click here to see answer by Earlsdon(6294)

Question 9697: How is (2a+4)(a-3)-(2a+4)(2a-1)completely factored to get -2(a+2)(a+2)as the answer?
Click here to see answer by Earlsdon(6294)

Question 9656: How do I completely factor ?
Click here to see answer by Earlsdon(6294)

Question 9727: If P=x+1/x-1 and Q=x-1/x+1, find P^2+Q^2-PQ.
Click here to see answer by khwang(438)

Question 9834: help me simplify this expression {negative 34x+5y+18x-14y}
Click here to see answer by huntingmaster325(15)

Question 10076: I got a problem that I don't even know where to begin at. Maybe someone can help me out and explain by showing me how to do this problem.
Simplify: 2x(3-5x-2x^2) - (10x - 5x^3)

Thanks
Click here to see answer by Earlsdon(6294)

Question 10285: my question is,I have a math question that looks like this y-7=8. the uestion is what does the letter (y)and (x) represent when working with evaluate,simplify, and sloving variable expression and equations
Click here to see answer by longjonsilver(2297)

Question 10305: How do I solve (2a+3b)^3
Click here to see answer by Earlsdon(6294)

Question 10217: Find the following:

(3a^2b^3/5c^2)^4

Since this does not have the same variables, I'm lost. Thanks for your help.
Click here to see answer by Earlsdon(6294)

Question 10624: What is (5x^2 + 3x +2)^2
I remember FOIL, but forget this one.
Click here to see answer by Earlsdon(6294)

Question 10640: 7.23x^2 + 11.67x + 19.49 = 32.35
im having major trouble. can you please help me out with this one? Thank you
Click here to see answer by WannabeCAgirl83(35)

Question 10789: How do you solve x-y2(x0-y)?
Click here to see answer by rapaljer(4671)

Question 10842: t multiplied by t to the 5th power multiplied by t to the forth power
Click here to see answer by bonster(299)

Question 11410: 2a+3b+c/2d, when a = 2, b = 0, c = 3, and d = -5
2(2)+3(0)+3/2(-5)
4+0+(3/-10)
4+0+ -3.33
=4+ -3.33
=0.67
Click here to see answer by tishy(4)

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