Respuesta :

Answer:

Step-by-step explanation:

x^2 + 4x - 4 = 8

x^2 + 4x - 4 - 8 = 0

x^2 + 4x - 12 = 0

(x + 6)(x - 2) = 0

x + 6 = 0        x - 2 = 0

x = -6             x = 2

solution is : x = -6 and x = 2

Answer:

B. X=-6 or x=2

Step-by-step explanation:

Edge