Question

Factorise : 3a²b³-27a⁴b.​

Answer 1

Answer:

$3 {a}^{2}b( {b}^{2} - 9 {a}^{2} )$

Answer 2

Answer:

$3 {a}^{2} {b}^{3} - 27 {a}^{4} b \\ 3 {a}^{2} b( {b}^{2} - {(3a)}^{2} ) \\ 3 {a}^{2} b(b + 3a)( b-3 a) \\ \boxed{\underline{3 {a}^{2} b(3a + b)(b - 3a)}}$