Respuesta :

Answer:

x = -6, -7.

Step-by-step explanation:

x^2 +12x+48=−x+6

x^2 + 12x + x + 48 - 6 = 0

x^2 + 13x + 42 = 0

(x + 6)x + 7) = 0

so x = -6 or  x = -7.