SOLUTION: how to factor the polynomial completely to x^3 + 3x^2 -4x -12

Algebra ->  Trigonometry-basics -> SOLUTION: how to factor the polynomial completely to x^3 + 3x^2 -4x -12      Log On


   

Question 726907: how to factor the polynomial completely to x^3 + 3x^2 -4x -12
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
how to factor the polynomial completely to
x^3 + 3x^2 -4x -12
factor by grouping:
x^2(x+3)-4(x+3)
(x+3)(x^2-4)
(x+3)(x+2)(x-2)