Respuesta :

Answer: B) 40

Step-by-step explanation:

x + 5 = 0  ⇒   x = -5

f(x) = x³ + 6x² - 3x

f(-5) = (-5)³ + 6(-5)² - 3(-5)

       = -125 + 150 + 15

       = 40

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