Question

factorise:
$5 {a}^{2} b + 15a {b}^{2} + 20 {a}^{2} {b}^{2}$
With steps​

Answer 1

Step-by-step explanation:

$5a {}^{2} b + 15ab {}^{2} + 20a {}^{2}b {}^{2} \\ 5ab \times (a + 3b + 4ab)$