Question

ab - a - b + 1 = ? PlZ give me answer fast ​

Answer 1

Answer:

(a-1)(b-1)

Step-by-step explanation:

By taking common from both terms,we get

Answer 2

$ab \: - a \: - b \: + 1$

$= (ab - a)( - b + 1)$

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

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

Please mark me Brainlist and follow me ,Please (◕ᴗ◕✿)