Explain how you can find 3x584 using expanded form

This is so hard and it’s for a test

Hey am have account in but wished to create an account here you guys will me with my make new friends of uk !

If f(x) = 4 - x2 and g(x) = 6x, which expression is equivalent to (g-f)(3)? 06-3-(4 + 3)2 06-3-(4-33 6(3) - 4 +32 6(3) -4 -32