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Aeromiss
@Aeromiss
April 2019
1
15
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Bonjour, j'ai une petite équation a faire pour demain pourriez vous m'aider svp? merci d'avance...
450-2(x-15)au carré
(c'est une identité remarquable)
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Commentaires (3)
450-2(x-15)²=0
450-2(x²-30x+225)=0
-2x²+60x=0
x²-30x=0
x(x-30)=0
x=0 ou x=30
1 votes
Thanks 1
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aeromiss
January 2021 | 0 Respostas
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450-2(x²-30x+225)=0
-2x²+60x=0
x²-30x=0
x(x-30)=0
x=0 ou x=30