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Determine if x+2 is a factor of p(x) = x4 + 3x3 +4x2 -8

Determine if x+2 is a factor of p(x) = x4 + 3x3 +4x2 -8
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Determine if x+2 is a factor of p(x) = x4 + 3x3 +4x2 -8

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User Oharlem
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1 Answer

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Hello,

Yes it is.

p(-2)=(-2)^4+3*(-2)^3+4*(-2)^2-8
=16-24+16-8=0

p(x)=(x+2)(x^3+x^2+2x-4)

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User Johnthuss
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