SOLUTION: How I factor x^4-2x^3-8x+16

SOLUTION: How I factor x^4-2x^3-8x+16

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Question 325011: How I factor x^4-2x^3-8x+16
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

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Hint : is the only real root.
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Polynomial long division yields,

A difference of two cubes factors,

So then putting it all together,

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