Question 470011
{{{0= x^3 + 2x^2 - 9x - 18}}}
{{{0= x^2(x + 2) - 9(x +2)}}}
{{{0= (x^2 - 9)(x+2)}}}

{{{0= (x-3)(x+3)(x+2)}}}
x=3, x=-3, x=-2