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OpenStudy (anonymous):
how do you prove whether or not (x+4) is a factor of (x^3+8x^2+8x-32)
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OpenStudy (anonymous):
replace x= -4 into the polynomial, if you get 0, then x+4 is a factor of it. If you don't get 0, then x +4 is not a factor of that polynomial
OpenStudy (anonymous):
okay so I have to set (x+4) equal to zero and plug that into the original equation?
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