SOLUTION: Factor completely. If the polynomial is prime, state this. x3 + 3x2 - 28x

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Question 292261: Factor completely. If the polynomial is prime, state this.
x3 + 3x2 - 28x

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
28 = 7*4
3 = 7 - 4
There are 2 hints.

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