Factor 3x2−123x^2 - 123x2−12.
3(x2−4)=3(x−2)(x+2)3(x^2 - 4) = 3(x - 2)(x + 2)3(x2−4)=3(x−2)(x+2)
(3x−2)(x+6)(3x - 2)(x + 6)(3x−2)(x+6)
3(x−2)(x−2)3(x - 2)(x - 2)3(x−2)(x−2)
(x−4)(3x+3)(x - 4)(3x + 3)(x−4)(3x+3)