# How do you factor 4w ^ { 2} - 84w - 88?

$4 \left(w + 1\right) \left(w - 22\right)$
$4 {w}^{2} - 84 w - 88 = 4 \left({w}^{2} - 21 w - 22\right)$
$= 4 \left(w + 1\right) \left(w - 22\right)$