Question

Factor completely.

x3 + 6x2 - 4x - 24

(x+ 6)(x- 2)(x+ 2)
(x+ 2)(x- 6)(x+ 2)
(x- 6)(x+ 2)(x+ 2)

Answer 1

Hint:
group it like this:
\(\Large (x^3 + 6x^2) - (4x + 24)\)

Factor the common factors from each set of brackets, and work from that :)

Answer 2

x^2(x+6)-4(x+6)
(x^2-4)(x+6)