Math, asked by TAEJINKOOK, 7 hours ago

factorise : ab² + ( a - 1 )b - 1

Answers

Answered by rounakraj89360

0

Answer:

ab

2

+(a−1)b−1

=ab

2

+ab−b−1

=ab(b+1)−1(b+1)

=(b+1)(ab−1)

Step-by-step explanation:

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Answered by swetamaurya595

0

Answer:

(ab - 1)(b + 1)

Step-by-step explanation:

ab²+(a-1)b-1

= ab² + ab - b -1

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

= (ab-1)(b+1)

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