SOLUTION: Find the value which makes the expression undefined: 12x+5/x^3-x^2-6x I know you have to factor the bottom, and use the zero product property. however, i dont remember how to

Question 436826: Find the value which makes the expression undefined:
12x+5/x^3-x^2-6x
I know you have to factor the bottom, and use the zero product property. however, i dont remember how to factor and expression which has an x cubed and an x squared. any tips?
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
The expression is undefined wherever , or at x = -2, 0, 3.