Question 630301

3x^3-6x^2-12x+24

Factor by grouping (special case):

3x^3 - 6x^2            - 12x + 24

3x^2(x-2)              -12(x-2)

group like terms:

(3x^2 - 12)(x-2)

Factor out a 3:

3(x^2 - 4)(x-2)

Differences of squares: (a^2-b^2) = (a+b)(a-b)

3(x+2)(x-2)(x-2)