Comment calculer 2 ( -1-x) au carré.... Pergunta de ideia deagnes19

agnes19 @agnes19

June 2021 1 102 Report

Comment calculer 2 ( -1-x) au carré

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alidu14 2(-1-x)
=2*(-1)²-2*(-1)*(-x)+(-x)²
=2*1-2x+x²
=2-2x+x²
=x²-2x+2

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