# How do you factor 12n^3 - 8n?

Jul 20, 2016

$4 n \left(3 {n}^{2} - 2\right)$
Always look for a common factor first. In this case $4 n$
Divide each term by $4 n$ and write the answers (quotients)in the bracket. I often think about them as "the left-overs".
$4 n \left(3 {n}^{2} - 2\right)$