Math, asked by mk528695, 5 months ago

Factorise: (ab+a)+b+1 ​

Answers

Answered by rgarg4955
0

Answer:

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

Step-by-step explanation:

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