SOLUTION: Factor by grouping x^3+7x^2+4x+28

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Question 908698: Factor by grouping x^3+7x^2+4x+28
Found 2 solutions by ewatrrr, richwmiller:
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
x(x^2 + 4) + 7(x^2 + 4)
(x+7)(x^2+4)

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
x^3+7x^2+4x+28
x^2(x+7)+4*(x+7)
(x^2+4)*(x+7)