Factor \({x}^{2}+3x-10\).
Ask: Which two numbers add up to \(3\) and multiply to \(-10\)?
Rewrite the expression using the above.
\[(x-2)(x+5)\]
Solve for \(x\).
Ask: When will \((x-2)(x+5)\) equal zero?
When \(x-2=0\) or \(x+5=0\)
Solve each of the 2 equations above.
\[x=2,-5\]
