Factoriser a = (x-3)(x+3)-2(x-3)
Mathématiques
daniadanidania
Question
Factoriser a = (x-3)(x+3)-2(x-3)
1 Réponse
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1. Réponse FamilyS
Bonjour,
A = (x - 3)(x + 3) - 2(x - 3)
A = (x - 3)(x + 3) - 2(x - 3)
A = (x - 3)(x + 3 - 2)
A = (x - 3)(x + 1)