How do you factor x^3 + 4x^2 - 9x - 6 =0?

1 Answer
Nov 26, 2015

(x+2)(x+3)(x-3)(2x^2-3)=0

Explanation:

Whenever you have a polynomial with more than 3 terms, it is always a good idea to group your like terms together:

x^3+4x^2-9x-6=0
x^3-9x+4x^2-6=0
x(x^2-9)+2(2x^2-3)=0
x(x+3)(x-3)+2(2x^2-3)=0
(x+2)(x+3)(x-3)(2x^2-3)=0