Question 354730
taking square root ___ x^2 + 4x - 4 = ±8


x^2 + 4x - 4 = 8 ___ x^2 + 4x - 12 = 0


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


now factor both ...