Question

factorise (a-b)2square +(a-b) ​

Answer 1

Answer:

ab^2 + ( a - 1 ) b - 1

= ab^2 + ab - b - 1 [ using distributing property ]

= ab ( b + 1 ) - 1 ( b + 1 )

Take ( b + 1 ) is as common factor

= ( b + 1 ) ( ab - 1 )

Therefore,

( b + 1 ) , ( ab - 1 ) are two factors.