Réponse :Bonjour,
1) A = 2x² + 5x + 6x + 15 = 2x² + 11x + 15
2) Pour x = 2, A = 2*2² + 11*2 + 15 = 8 + 22 + 15 = 30 + 15 = 45
3) 4x+ 3 = 6x + 2
4x-6x = 2-3
-x = -1
x= 1.
Bon courage.
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Réponse :Bonjour,
1) A = 2x² + 5x + 6x + 15 = 2x² + 11x + 15
2) Pour x = 2, A = 2*2² + 11*2 + 15 = 8 + 22 + 15 = 30 + 15 = 45
3) 4x+ 3 = 6x + 2
4x-6x = 2-3
-x = -1
x= 1.
Bon courage.