Respuesta :

Answer:

3x^2 -2x-6

Step-by-step explanation:

If f(x)=3x^2-2 And g(x)=2x+4,

(f-g)(x) = 3x^2-2 -(2x+4)

           Distribute the minus sign

        3x^2 -2-2x-4

Combine like terms

3x^2 -2x-6