## Precalculus (6th Edition) Blitzer

$\left\{-2, 5\right\}$
Factor the trinomial to obtain: $(x-5)(x+2)=0$ Equate each factor to zero then solve each equation to obtain: $x-5 = 0 \text{ o } x+2=0 \\x=5 \text{ or } x=-2$ The solution set of the given equation is $\left\{-2, 5\right\}$.