Factor \({x}^{2}+6x-7\).
Ask: Which two numbers add up to \(6\) and multiply to \(-7\)?
Rewrite the expression using the above.
\[(x-1)(x+7)\]
Solve for \(x\).
Ask: When will \((x-1)(x+7)\) equal zero?
When \(x-1=0\) or \(x+7=0\)
Solve each of the 2 equations above.
\[x=1,-7\]
