SOLUTION: Factorise x^3+3x^2-4x-12 completely.

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Question 695472: Factorise x^3+3x^2-4x-12 completely.
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Factorise x^3+3x^2-4x-12 completely.
x^3+3x^2-4x-12
x^2(x+3)-4(x+3)
(x^2-4)(x+3)
(x+2)(x-2)(x+3)