Bonjour,
B = (- x + 6) (3x - 2)
B = - 3x² + 2x + 18x - 12
B = - 3x² + 20x - 12
C = (4x - 1) (2x - 1)
C = 8x² - 4x - 2x + 1
C = 8x² - 6x + 1
D = x (3x - 6)
D = 3x² - 6x
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Bonjour,
B = (- x + 6) (3x - 2)
B = - 3x² + 2x + 18x - 12
B = - 3x² + 20x - 12
C = (4x - 1) (2x - 1)
C = 8x² - 4x - 2x + 1
C = 8x² - 6x + 1
D = x (3x - 6)
D = 3x² - 6x