Question

p (x) =2xsquare+xsquare-2x-1, g(x) = x+1

Answer 1

I THINK THAT YOUR QUESTION IS WRONG.I WILL GIVE YOU ANSWER FOR YOUR QUESTION (BUT IT IS WRONG).THEN I WILL GIVE ANSWER FOR THE CORRECT QUESTION.

ANSWER FOR YOUR QUESTION:2x^2+x^2-2x-1, (g)x=x+1

x+1=0

x=0-1=-1

substitiute -1 in x places.

2(-1^2)+(-1^2)-2(-1)-1

=2x1+1+2-1

=2+1+2-1

=4

ANSWER FOR THE CORRECT QUESTION:2x^3+x^2-2x-1,g(x)=x=1

substitute -1 in x places

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

=-2+1+2-1

=0