Bonjour a tous, on considère l expression E= (x-2) (2x + 3) - 3 (x-2)
1 .Développer E
2 .Factoriser E et vérifier que E = 2F, où F = x ( x- 2)
3 .Déterminer tous les nombres x tels que ( x - 2) (2 x + 3 ) - 3 ( x - 2 ) = 0

ps: je suis en troisieme

bonne journée a tous et merci d'avance
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