Factor Quadratics to Find Zeros Practice Test

A company models profit by $P(x)=x^2-8x+15$, where $x$ is the number of items sold (in some unit). Factor $P(x)$ to find the break-even points (zeros of $P$).

Show that $x=2$ and $x=-3$ are zeros of $f(x)=x^2+x-6$ by factoring $f(x)$. Which factored form correctly reveals the zeros?