Question

a*2+b - ab - a is equal to? (a) (a-1) (a-b) , (b) (a+1) (a-b), (c) (a-1) (a+b), (d) (a+1) (a+b)
hey please ARMY⁷⟬⟭ answer my question ​

Answer 1

Answer:

Correct option is

C

(b+1)(ab−1)

ab

2

+(a−1)b−1

=ab

2

+ab−b−1

=ab(b+1)−1(b+1)

=(b+1)(ab−1)

Answer 2

Answer:

(a-1) (a-b) option a is the answer

Step-by-step explanation:

hope it helps you army