Question

3 a5 - 108 a3 factrise​

Answer 1

Answer:

3a 5 −108a

3=3a

3 (a 2 −36)=3a 3 (a 2 −6 2 )

Using,

a 2 −b

2 =(a+b)(a−b)=3a 3 (a+6)(a−6)