## Algebra 1: Common Core (15th Edition)

$(2m-1)(2m+1)(2m+3)$
$8m^{3}+12m^{2}-2m-3=$ ...factor out the GCF of each group of two terms. $=4m^{2}(2m+3)-1(2m+3)$ ...factor out the common factor, $2m+3$. $=(4m^{2}-1)(2m+3)$ ...write $4m^{2}-1$ as a difference of two squares. $=(2m-1)(2m+1)(2m+3)$