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Nicolas1501
@Nicolas1501
May 2019
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Bonsoir,je n'arrive pas à Factoriser:
X²+5x+8
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manonhe
Verified answer
X2+5x+8= (x + 2
2)2 (au carré)
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manonhe
c'est juste 2V2 , il ne faut pas mettre le x ... j'ai pas fait exprès de le mettre
loulakar
Si tu sais calculer le discriminant :
Delta^2 = (5)^2 - 4 * 1 * 8
Delta^2 = 25 - 32
Delta^2 = (-7) < 0
Un carré n'est jamais négatif pas de solution pour factoriser cette expression
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Verified answer
X2+5x+8= (x + 22)2 (au carré)Delta^2 = (5)^2 - 4 * 1 * 8
Delta^2 = 25 - 32
Delta^2 = (-7) < 0
Un carré n'est jamais négatif pas de solution pour factoriser cette expression