Factor completely: 2x2−82x^2 - 82x2−8.
2(x−2)(x+2)2(x-2)(x+2)2(x−2)(x+2)
(2x−4)(x+2)(2x-4)(x+2)(2x−4)(x+2)
2(x2−4)2(x^2-4)2(x2−4)
2(x−4)(x+1)2(x-4)(x+1)2(x−4)(x+1)