Determine g(x+a)-g(x) for the following function

Question

Determine g(x+a)-g(x) for the following function

g(x)=-3x^2-2x

Answer 1

g(x) = -3x² - 2x

g(a) = -3a² - 2a

g(x + a) = -3(x - a)² - 2(x - a)

g(x + a) - g(a) = -3(x - a)² - 2(x - a) - (-3a² - 2a)

Can you expand and simplify?