# How do you factor 6c^2-24d^2?

${x}^{2} - {y}^{2} = \left(x + y\right) \left(x - y\right)$
$6 {c}^{2} - 24 {d}^{2}$
$= 6 \left({c}^{2} - {\left(2 d\right)}^{2}\right)$
$= 6 \left(c + 2 d\right) \left(c - 2 d\right)$