SOLUTION: x^3+3x^2-5x-15= Factor by grouping?

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Question 466452: x^3+3x^2-5x-15=
Factor by grouping?

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
(x^3 + 3x^2) + (-5x - 15)

x^2(x + 3) + -5(x + 3)

(x^2 - 5)(x + 3)