Math, asked by tyagino5, 5 months ago

factorise : ab²+ (a-1) b-1

Answers

Answered by kvarsha1971

1

Answer:

(ab-1)(b+1)

Step-by-step explanation:

=ab2+b(a-1)-1

=ab2+ab-b-1

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

=(ab-1)(b+1)

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