Respuesta :

Answer:

explanation:

(f + g)(x) = -3x^2 + 6x - x

Answer:

- 3x² + 5x

Step-by-step explanation:

(f + g)(x)

= f(x) + g(x)

= - 3x² + 6x - x ← collect like terms

= - 3x² + 5x