Math, asked by AdnanAnsari07, 8 months ago

.
find the value of x in ab-a-b+1=x

Answers

Answered by Doubtsonly

0

see this

Step-by-step explanation:

ab-a-b-1=x

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

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

x=a-1

x=b-1

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