Question

Factorise: 3(a-2b)² – 5(a-2b)

Answer 1

By taking (a-2b) as a common factor for the above equation we get,

3(a-2b) ² – 5(a-2b) = (a-2b) (3(a-2b) – 5)

= (a-2b) (3a -6b -5)