Respuesta :

Answer:

5x + 11

Step-by-step explanation:

note that (f - g)(x) = f(x) - g(x)

f(x) - g(x)

= x + 8 - (- 4x - 3) ← distribute parenthesis by - 1

= x + 8 + 4x + 3 ← collect like terms

= 5x + 11