Question

hi bro pls help genius pls​

Answer 1

Answer:

the answer will be (b - 1)(ab + 1)

Step-by-step explanation:

Here it is, you can solve it using mid point theorem.

ab² - (a - 1)b - 1

= ab² - ab + b - 1

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

= (b - 1)(ab + 1)

hope it helps :-)