Question

-27a²b²+12a²c² factorisation​

Answer 1

Step-by-step explanation:

$3 {a}^{2} (4 {c}^{2} - 9 {b}^{2} ) \\ 3 {a}^{2} ( {(2c)}^{2} - {(3b)}^{2} ) \\ 3 {a}^{2} (2c + 3b)(2c - 3b)$