SOLUTION: simplify the fraction: 3x^3-30x^2+75x / 25x^2-x^4

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: simplify the fraction: 3x^3-30x^2+75x / 25x^2-x^4      Log On


   

Question 257372: simplify the fraction:
3x^3-30x^2+75x / 25x^2-x^4
Answer by drk(1908) About Me  (Show Source):
You can put this solution on YOUR website!
Here is the original equation
%283x%5E3-30x%5E2%2B75x%29+%2F+%2825x%5E2-x%5E4%29
factoring, we get
%283x%28x-5%29%28x-5%29%29%2F%28%28x%5E2%29%285-x%29%285%2Bx%29%29
canceling like terms and using the negative 1 rule, we get
%28-3%2A%28x-5%29%29%2F%28x%2A%28x%2B5%29%29