Exercice 4: A = 3x² + 9x B = (x + 2) (3x + 4) + 3(x + 2) C = (11x + 6) (5x-1)-(5x-1)(9-4x) ou
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Question
Exercice 4:
A = 3x² + 9x
B = (x + 2) (3x + 4) + 3(x + 2)
C = (11x + 6) (5x-1)-(5x-1)(9-4x) ou
A = 3x² + 9x
B = (x + 2) (3x + 4) + 3(x + 2)
C = (11x + 6) (5x-1)-(5x-1)(9-4x) ou