# How do you know if 144a^2 -96a + 16 is a perfect square trinomial and how do you factor it?

Jun 10, 2015

Yes, it is: $144 {a}^{2} - 96 a + 16 = 16 {\left(3 a - 1\right)}^{2}$
$144 {a}^{2} - 96 a + 16$
$16 \left(9 {a}^{2} - 6 a + 1\right)$
$16 {\left(3 a - 1\right)}^{2}$