Respuesta :

Answer:

x^2+5x+5

Step-by-step explanation:

Answer:

f(x)+g(x) = x^2 + 5x+5

Step-by-step explanation:

f(x) = 4x+5

g(x) = x^2 +x

f(x)+g(x) = 4x+5+ x^2 +x

 Combine like terms

f(x)+g(x) = x^2 + 5x+5