Simplify $\frac{x^3-x^2-6x}{x^2-4}$ and state any domain exclusions.

$\frac{x(x-3)}{x-2}$, with $x\ne 2$ and $x\ne -2$

$\frac{x-3}{x-2}$, with $x\ne 3$ and $x\ne -2$

$\frac{x(x-3)}{x+2}$, with $x\ne -2$

$x^2-3x-2$, with no exclusions