Question

if p(x)= x^3-x^2+2x+1. find p(-1) and p(-2)​

Answer 1

P(-1) = (-1)^3 - (-1)^2 + 2(-1) + 1
= -1 -1 -2 + 1
= -3

P(-2) = (-2)^3 - (-2)^2 + 2(-2)+ 1
= -8 -4 -4 + 1
= -15