Answer:
Since g(x+2)
the equation would become g(x-2) = (x+2)^2- (x+2)
Simplify
(x+2)^2 - (x+2)
(x+2)(x+2) - (x+2)
FOIL : (x^2 + 2x + 2x + 4) - (x+2) *dont forgot you need to distribute the negative in the next step*
x^2 + 4x + 4 - x - 2
Like terms : x^2 + 3x + 2
So g(x+2) = x^2 + 3x + 2