Respuesta :

nikkodiez19

Answer:

(f+g)(x) = 0 if x = -2

Step-by-step explanation:

(f+g)(x) = f(x) + g(x) = x² - 2x + 6x + 4

(f+g)(x) = x² + 4x + 4

x² + 4x + 4 = 0

(x + 2)² = 0

So, x = -2.

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