Question

Find p(­-4) if p(x) = x5 - x2

Answer 1

Substitute (-4) as x.

The answer will be -12.

Answer 2

Put the value of x = -4 to the equation of the function:

$p(x)=x^5-x^2=x^2(x^3-1)\\\\p(-4)=(-4)^2[(-4)^3-1]=(16)(-64-1)=(16)(-65)=-1040$