Question

Factorise
a² +b - ab -a
​

Answer 1

Answer:

(a - b) (a - 1)

Step-by-step explanation:

2

a + b -ab - a

2

=a -ab - a + b

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

= (a - b) ( a - 1 )

Answer 2

Answer:

it can also be written as=>

a^2-ab-a+b

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

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