Math, asked by pcremyapc33, 17 days ago

I don't know how to get this answer...
Please somebody help me...
I will mark as brainly for sure

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Answers

Answered by ynsteja

0

Step-by-step explanation:

ab²+ab-b-1

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

= (ab-1)(b+1)

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