factoriser: (x-1)(-x+1)-(x-1)(-2x+1).... Pergunta de ideia demarinedu33456

marinedu33456 @marinedu33456

June 2021 1 127 Report

factoriser: (x-1)(-x+1)-(x-1)(-2x+1)

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winner123

Verified answer

Bonsoir,

(x - 1)(-x + 1) - (x - 1)(-2x + 1) = (x - 1)[(-x + 1) - (-2x + 1)]
= (x - 1) (-x + 1 + 2x - 1)
= (x - 1) * x
= x(x - 1)

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