Factor \({x}^{2}-4x-12\).
Ask: Which two numbers add up to \(-4\) and multiply to \(-12\)?
Rewrite the expression using the above.
\[(x-6)(x+2)\]
Solve for \(x\).
Ask: When will \((x-6)(x+2)\) equal zero?
When \(x-6=0\) or \(x+2=0\)
Solve each of the 2 equations above.
\[x=6,-2\]
