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marieclaudedes
@marieclaudedes
June 2021
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Que faire sur (x+y)carrée - (x-y)carrée
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winner123
Verified answer
Eh bien on va essayer d'en faire quelque chose
(x+y)² - (x-y)² est la différence de 2 carrés (identité remarquable a² - b² = (a+b)(a-b)
(x+y +x -y) ( x + y - x +y)
2x (2y)
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marieclaudedes
d'accord merci
winner123
pas grave, on fait tous des erreurs
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Lista de comentários
Verified answer
Eh bien on va essayer d'en faire quelque chose(x+y)² - (x-y)² est la différence de 2 carrés (identité remarquable a² - b² = (a+b)(a-b)
(x+y +x -y) ( x + y - x +y)
2x (2y)