Math, asked by nishant4nda, 4 months ago

solve the problem please
ab-a+b-1

Answers

Answered by nehalar2006

1

Answer:

= (a-1)(b-1)

Step-by-step explanation:

ab - a - b + 1

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

= (a-1)(b-1)

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