Question

12. a*b - a²b + 5ab - 5b​

Answer 1

Answer:

(1 - a) (ab - 5b)

Step-by-step explanation:

ab - a²b + 5ab - 5b

ab (1- a) + 5b (a - 1)

ab (1- a) - 5b (1- a) { common - }

= (1 - a) (ab - 5b)