Développer A = 3(2x + 7) B = 4y (5 - 2y) C = (x + 3)(2x – 5)
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Question
Développer
A = 3(2x + 7)
B = 4y (5 - 2y)
C = (x + 3)(2x – 5)
A = 3(2x + 7)
B = 4y (5 - 2y)
C = (x + 3)(2x – 5)
1 Réponse
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1. Réponse maudmarine
A = 3(2x + 7)
A = 6x + 21
B = 4y (5 - 2y)
B = 20y - 8y²
B = - 8y² + 20y
C = (x + 3)(2x – 5)
C = 2x² - 5x + 6x - 15
C = 2x² + x - 15