SOLUTION: Plase help me factor this problem: x^3 + 3x^2 - 25x - 75. thank you for your help!!!

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Plase help me factor this problem: x^3 + 3x^2 - 25x - 75. thank you for your help!!!       Log On


   

Question 16742: Plase help me factor this problem:
x^3 + 3x^2 - 25x - 75. thank you for your help!!!
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Factor:
%28x%5E3+%2B+3x%5E2%29+-+%2825x+%2B+75%29 Factor by grouping.
x%5E2%28x+%2B+3%29+-+25%28x+%2B+3%29 Factor the (x + 3)
%28x+%2B+3%29%28x%5E2+-+25%29 Factor the difference of two squares (x^2 - 25)
%28x+%2B+3%29%28x+%2B+5%29%28x+-+5%29 Done!