Math Help - polynomial

1. polynomial

given that $2x^3-3x^2-11x+6=(x+2)(2x-1)(x-3)$, solve the equation $2-3x-11x^2+6x^3=0$

2. $2 - 3x - 11x^2 + 6x^3 = 0$

$x^3(2x^{-3} - 3x^{-2} - 11x^{-1} + 6) = 0$

Now let $X = x^{-1}$ to give

$x^3(2X^3 - 3X^2 - 11X + 6) = 0$.

Go from here.