Uuuuuuuurrrrrrrrggggggggeeeeeeennnnnttttttt
Mathématiques
nisson1997
Question
Uuuuuuuurrrrrrrrggggggggeeeeeeennnnnttttttt
2 Réponse
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1. Réponse Anonyme
b= (x-7)²= (x)²-2XxX7+(7)²= x²-14x+49 -
2. Réponse ficanas06
(x-7)² est du type (a-b)²= a²-2ab+b² identité remarquable
(x-7)²= x²-14x+49