Respuesta :

Answer:

h(x) = 2x²+2x-3

Steps:

f(x) = 3x²+7x-4

g(x) = x²-5x+1

h(x) = f(x) - g(x)

h(x) = 3x²+7x-4 - x²-5x+1

h(x) = 3x²-x²+7x-5x-4+1

h(x) = 2x²+2x-3