# How do you factor 16n^2-9?

$16 {n}^{2} - 9 = {\left(4 n\right)}^{2} - {3}^{2} = \left(4 n - 3\right) \left(4 n + 3\right)$
${a}^{2} - {b}^{2} = \left(a - b\right) \left(a + b\right)$