Practice problem
Factor the quadratic x2−2x^2 - 2x2−2.
(x−2)2(x-\sqrt 2)^2(x−2)2
(x+2)2(x + \sqrt2)^2(x+2)2
(x−2)(x+2)(x-\sqrt2)(x+\sqrt2)(x−2)(x+2)
(x−2)(x+2)(x-2)(x+2)(x−2)(x+2)
(x−2)2(x-2)^2(x−2)2
Type a concept, like “slope” or “photosynthesis”.