Math, asked by anukulanand149, 4 months ago

factorise:---(a + b) (-a-b)​

Answers

Answered by vanishasaxena09
0

Step-by-step explanation:

ANSWER

ab

2

+(a−1)b−1

=ab

2

+ab−b−1

=ab(b+1)−1(b+1)

=(b+1)(ab−1)

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