Question

How to factorize ab²+(a-1)b-1​

Answer 1

$\huge\bf\pink{Answer}$

= ab² + ( a - 1 )b - 1

= ab² + ab - b - 1

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

= ( b + 1 ) ( ab - 1 )

Hope it helps you