SOLUTION: Factor by grouping: 2x^3+8x^2-7x-28

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Question 320967: Factor by grouping: 2x^3+8x^2-7x-28
Answer by Sunny Day(15) About Me  (Show Source):
You can put this solution on YOUR website!
2x^3+8x^2-7x-28
2x^2(x+4) - 7(x+4) (taking common factors by grouping the terms)
(x+4) (2x^2-7)