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Antoinebogoss20
@Antoinebogoss20
May 2019
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Bonsoir à tous, je n'arrive pas à faire un exercice banal de 3ème. Pouvez vous m'aider svp.
On considère l'expression E= (x-2) (2x+3) - 3 (x-2)
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calinizou
Verified answer
Bonjour
e=(x-2)(2x+3)-3(x-2)=
2x²+3x-4x-6-3x+6=
2x²-4x
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antoinebogoss20
1_ Développer E 2_ Factoriser E et vérifier sue E = 2F, où F = x(x-2) 3_ Déterminer tous les nombres x tels que (x-2) (2x+3) - 3 (x-2) =0
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Svp aidez moi c pour demain c l'exo 6
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Verified answer
Bonjoure=(x-2)(2x+3)-3(x-2)=
2x²+3x-4x-6-3x+6=
2x²-4x