SOLUTION: I need help factoring the following polynomial, completely. x^3+7x^2-x-7

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Question 931862: I need help factoring the following polynomial, completely.
x^3+7x^2-x-7
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

x^3+7x^2-x-7  (x= 1 a solution: 1 + 7 - 1 - 7 = 0

Using Synthetic Division

...

1	1	7	-1	-7

		1	8	7

	1	8	7	0

(x-1)(x^2 + 8x+ 7)

(x-1)(x+7)(x+1)

......

x = -7, -1, 1