How do you factor y=x^3 + 6x^2 - 4x - 24 ?

2 Answers
Dec 16, 2015

y=(x+6)(x-2)(x+2)

Explanation:

y=x^3+6x^2-4x-24 => factor by grouping:
y=x^2(x+6)-4(x+6)
y=(x +6)(x^2-4) => use difference of squares:
y=(x+6)(x-2)(x+2)

Dec 16, 2015

y=(x+2)(x-2)(x+6)

Explanation:

y=x^3+6x^2-4x-24

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

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

y=(x+2)(x-2)(x+6)