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)​

Answer 1

Answer:

A

Step-by-step explanation:

a^2-a+b-ab

= a(a-1)-b(a-1)

=(a-1) (a-b)