Question

I need help please help me thank you​

Answer 1

12 - 2x.

Explanation:

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

f(x) = x^2 + 9 so:

x^2 + 9 - g)x) = x^2 + 2x - 3

x^2 + 9 - (x^2 + 2x - 3) = g(x)

g(x) = x^2 + 9 - x^2 - 2x + 3

g(x) = 9 + 3 - 2x

g(x) = 12 - 2x.