Question

Find the value of p(-2)+p(1)+p(-1) for the polynomial P(x)=x+1

Answer 1

Answer:

Step-by-step explanation:

x^2-2x^2-5x+3=p(x)

x=1

=-x^2-5x+3

=-1-5+3

=-3

-x^2-5x+3=p(x)

x=-1

=-1+5+3

=7

p(1) +p(-1)

=-3+7

=+4