Step-by-step explanation:
(f+g)=(x-4)+(x^2-x)=x^2+x-x-4=x^2-4
when x=-2
(f+g)(-2)=(-2)^2-4=0 ans.
Answer:
I believe that the answer is 0
All you have to do is add f and g and substitute -2 for x. When you substitute -2, simplify.
=−6m−n+3
(happy to help)
