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Help me with this calculation
(X-1).(1-x)

User Jake Henningsgaard
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1 Answer

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26 votes


(x-1) (1-x)\\\\=(x-1)(-1)(x-1)\\\\=-(x-1)^2\\\\=-(x^2- 2x +1)\\\\=-x^2+2x-1

User Abhishek Aravindan
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