Answer:
g(x) and -g(x) are opposites of each other. So all terms would cancel each other out. The answer would be 0
Step-by-step explanation:
Eaxample:
g(x) = x +5
g(x) + (-g(x)) =
(x+5) + (-(x+5))
(x+5) + (-x-5)
x+5 - x - 5
x-x+5-5 = 0
