Find each value

Question

g(X) = x^2 - X
g(2)^2 -2 - (2)-2
The answer key days zero but I keep getting 2
Will someone help
4-2 - (2)-2
=2 - 0
=2

Answer 1

g(X) = x^2 - X
g(2) = 4 - 2 = 2

g(2)^2 -2 - (2)-2
= 4 - 2 - 2 - 2
= -2