Maths- Factorization question

[amerfarooq]

Guys please factorize this:

a^2 - 1 + ab + b

 

[amerfarooq]

Seriously ? No one ? C'mon people !!

 

[M.Omar]

Guys please factorize this:

a^2 - 1 + ab + b

(a+1)(a-1) + ab +b
(a+1)(a-1) +b(a+1)
(a-1+b)(a+1)
there u go.....

 

[amerfarooq]

(a+1)(a-1) + ab +b
(a+1)(a-1) +b(a+1)
(a-1+b)(a+1)
there u go.....

Thank you