Homework Help: algebra

Posted by Sella on Monday, August 27, 2012 at 9:37am.

Reduce answers to lowest terms.
1.) 2x/2x^2+5x-3 + 5/x^2-9 =
2.) x-3/12x^3-18x^2 - x+1/16x^2-24x =
3.) 2x/x^2-2x-15 - x-2/3x^2+9x =

algebra - drwls, Monday, August 27, 2012 at 9:51am
Use parentheses to isolate numerators and denominators. For example,
3.) 2x/(x^2-2x-15) - (x-2)/(3x^2+9x)
= 2x/[(x-5)(x+3)] + (x-2)/[3x(x+3)]
= [1/(x+3)][2x/(x-5) + (x-2)/(3x)]
algebra - crissa, Monday, September 24, 2012 at 8:37am
2/a-b+3/a+b

Answer this Question

Related Questions

math - sums and differences of a rational algebraic expression 3/a + 2/ab + 1/...
Rational Expression - (x+1/2x-1 - x-1/2x+1) * (2x-1/x - 2x-1/x^2) (x+1/2x-1 - x-...
Math33333 - Please help me! Problem: x+2 x-3 _________ - _________ 2x^2+5x+2 2x^...
Intermediate Algebra - Am I going in the right track? 8x -1/x + 5x - 3/2x = 16x^...
Algebra - Can someone check my algebra answers and help me with the problems I ...
Math - Can someone please check my answers below for accurateness? The ...
Hard algebra qestion - 3x^2+6x/2x^2-11x+12 - 2x^2-5x+3/x^2+x-2 ÷ 4x^2-12x...
Algebra 2 - Choose the appropriate simplified expression. 1. 8x^2-10x+3/6x^2+3x-...
math - sums and differences of rational algebraic expression answer the ...
math - 3x^2+6x/2x^2-11x+12 - 2x^2-5x+3/x^2+x-2 ÷ 4x^2-12x+9/x^2-4 I got ...

For Further Reading

First Name:
School Subject:
Answer: