Factor: x2−x−12x^2 - x - 12x2−x−12.
(x−4)(x+3)(x-4)(x+3)(x−4)(x+3)
(x+4)(x−3)(x+4)(x-3)(x+4)(x−3)
(x−6)(x+2)(x-6)(x+2)(x−6)(x+2)
(x−12)(x+1)(x-12)(x+1)(x−12)(x+1)