svp aider moi

[tex]x(x-1)(x+1)=( x^{2} -1)-( x^{2} -2x+1)[/tex]

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Grade: Education Subject: mathematiques
svp aider moi

[tex]x(x-1)(x+1)=( x^{2} -1)-( x^{2} -2x+1)[/tex]
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Answer (77)

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(175)
x(x-1)(x+1) = (x²-1)-(x²-2x+1)

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

donc l egalite n est pas vraie