x+2 is a factor of the polynomial f(x) if and only if the number -2 is a root of f(x), that is, if and only if f(-2)=0. Thus, by calculating f(-2)=2(-2)^3-(-2)^2+2(-2)-3=-16-4-4-3=-27 which is not zero. So x+2 is not a factor of the polynomial f(x).
Ailyn J.
asked • 10/20/20solve the equation
determine whether x+2 is a factor of
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