Chapter 6 - Section 6.6 - Solving Quadratic Equations by Factoring - Exercise Set - Page 458: 46

$x=\frac{9}{2}$ or $x=-9$ or $x=4$

We simplify as follows: $(2x-9)(x^{2}+5x-36)=0$ $(2x-9)(x+9)(x-4)=0$ $2x-9=0$ or $x+9=0$ or $x-4=0$ $2x=9$ or $x=-9$ or $x=4$ $x=\frac{9}{2}$ or $x=-9$ or $x=4$