SOLUTION: Express the following rational expressions in lowest terms: y^2-y-12 _________ y^2-9 3x^2-6x-72 __________ 2x^2-8x-64

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Express the following rational expressions in lowest terms: y^2-y-12 _________ y^2-9 3x^2-6x-72 __________ 2x^2-8x-64      Log On


   

Question 156401This question is from textbook elementary and intermediate algebra
: Express the following rational expressions in lowest terms:
y^2-y-12
_________
y^2-9


3x^2-6x-72
__________
2x^2-8x-64 This question is from textbook elementary and intermediate algebra

Answer by orca(409) About Me  (Show Source):
You can put this solution on YOUR website!
%28y%5E2-y-12%29%2F%28y%5E2-9%29
=%28%28y-4%29%28y%2B3%29%29%2F%28%28y-3%29%28y%2B3%29%29
=%28%28y-4%29cross%28%28y%2B3%29%29%29%2F%28%28y-3%29cross%28%28y%2B3%29%29%29
=%28y-4%29%2F%28y-3%29
*********************************************
%283x%5E2-6x-72%29%2F%282x%5E2-8x-64%29
=%283%28x%5E2-2x-24%29%29%2F%282%28x%5E2-4x-32%29%29
=%283%28x%2B4%29%28x-6%29%29%2F%282%28x-8%29%28x%2B4%29%29
=%283cross%28%28x%2B4%29%29%28x-6%29%29%2F%282%28x-8%29cross%28%28x%2B4%29%29%29
=%283%28x-6%29%29%2F%282%28x-8%29%29