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:
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