factories a-b-a²+b² ??
please give step by step explanation
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Step-by-step explanation:
a−b−a 2+b 2
=(a−b)−(a 2 −b 2 )
=(a−b)−(a−b)(a+b)
=(a−b)[1−(a+b)]
Answered by
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Step-by-step explanation:
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