algebra

posted by .

What is the common denominator?

3 2
- + -
1 a-1
-------
4 3
- - -
1 a+1

  • algebra -

    If your denominator on the top is (a-1) and your denominator on the bottom is (a+1) then your common denominator is (a-1)(a+1) which by the way is (a^2-1)

  • algebra -

    Thank you very much. It helped me not only on that problem but others as well. :)

  • algebra -

    "........but others as well."

    Good! That is the whole idea :) You are very welcome.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. College Algebra 1

    help! 2x/1+x-1/1-x=2 Get a common denominator. As I see your problem (you did not use parenthesis), the common denominator will be (1+x)(1-x) Thank you!
  2. bobPursley2...the other one

    Problem 2: (x+2)/(2x^2+5x+2) - (x-3)/(2x^2-5x-3) What I did: 2x^2+5x+2 factors are (2x+1)(x+2) 2x^2-5x-3 factors are (2x+1)(x-3) Then: (x+2)/(2x+1)(x+2) - (x-3)/(2x+1)x-3) So the common denominator is (2x+1)(x+2)(x-3) using that combine …
  3. math,correction please..

    (x)/(x-2) - (x+1)/(x) = (8)/(x^2-2x) I keep getting x = 6 can someone show me how you guys are getting x = -10 The lowest commond denominator is x(x-2) x/x *(x)/(x-2) - (x+1)/(x) *(x-2)/(x-2)=(8)/x(x-2) multiplying both sides by the …
  4. algebra

    Solve for x x/6-x/8 equals 1 Do fraction busters Find the least common denominator, which is 24. Change the fractions to where they have the same denominator. Change 1 to equal 24/24, and solve. Did this help?
  5. algebra

    x/x-2 - x+1/x = 8/x^2-2x notice the last denominator factors to x(x-2) and those factors are found in the other two fractions so x(x-2) is the lowest common denominator. now multiply each term by that x(x-2) to get (x)(x) -(x+1)(x-2) …
  6. math

    subtract: express your answer in simplest form. 5x-3/6 - (x+3)/6 answer choices a) 4x-1 b) 2x-3/3 c) 2x/3 -1 d) 2x/3 show me hou to arrive at the correct answer get a common denominator. get a common denominator. I thought 6 was the …
  7. algebra

    Could someone please help me to slove this question. (2y/x^2)+(7/x(x-3)) get a common denominator (x^2*x*(x-3)), combine the fractions. Notice there is a y in the first numerator, and no y's in the denominator. Consequently, there …
  8. Math

    26 x 1/5 divided by 1/2 x 5. evaluate. I don't know if i'm supposed to find a common denominator and if i should use 10 as the common denominator.
  9. java

    can anyone help me with this? I'm new to java! Write a program that will find the lowest common denominator of two numbers. The user will enter the two denominators, the program will output both the lowest common denominator and the
  10. java

    Write a program that will find the lowest common denominator of two numbers. The user will enter the two denominators, the program will output both the lowest common denominator and the multipliers required for each fraction. For example, …

More Similar Questions