Question 1084885
x3 + 2x2 - 9x = 18

{{{x^3+2x^2-9x=18}}}


{{{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)=0}}}



{{{system(x=3,OR,x=-3,OR,x=-2)}}}