Factor x3−3x2−4x+12x^3 - 3x^2 - 4x + 12x3−3x2−4x+12 by grouping.
(x2−4)(x+3)(x^2 - 4)(x + 3)(x2−4)(x+3)
(x2−4)(x−3)(x^2 - 4)(x - 3)(x2−4)(x−3)
(x+2)(x−2)(x+3)(x + 2)(x - 2)(x + 3)(x+2)(x−2)(x+3)
(x+2)(x−2)(x−3)(x + 2)(x - 2)(x - 3)(x+2)(x−2)(x−3)