How do you factor by grouping 12x^2+29x+15?

Sep 4, 2016

$= \left(3 x + 5\right) \left(4 x + 3\right)$

Explanation:

$12 {x}^{2} + 29 x + 15$

$= 12 {x}^{2} + 20 x + 9 x + 15$

$= 4 x \left(3 x + 5\right) + 3 \left(3 x + 5\right)$

$= \left(3 x + 5\right) \left(4 x + 3\right)$