Question

Factorize ab^2 + (a-1)b-1
need answer quick

Answer 1

Step-by-step explanation:

2+a+1b-1

2a+1b-1

3ab-1

2ab

Answer 2

$a {b}^{2} + (a - 1)b - 1 \\ = a {b}^{2} + ab - b - 1 \\ = ab(b + 1) - 1(b + 1) \\ = (ab -1)(b + 1)$