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Mathematics, 17.02.2021 08:30 croxy0514

A(x+1)(x-1)+b(x-2)(x+1)+(x+1)^2=9x- x-10 What is a+b?

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A(x+1)(x-1)+b(x-2)(x+1)+(x+1)^2=9x- x-10 What is a+b?...

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