Math, asked by helperhypeme, 1 month ago

Factorise: a - b - a²+ b²

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Answers

Answered by sobhasinghvi
0

Answer:

a−b−a

2

+b

2

=(a−b)−(a

2

−b

2

)

=(a−b)−(a−b)(a+b)

=(a−b)[1−(a+b

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