Bonjour,
A = 5x (-3x + 6)
A = -15x² + 30x
B = (4x - 9)(3x - 8)
B = 12x² - 32x - 27x + 72
B = 12x² - 59x + 72
C = (-7x - 10)²
C = 49x² + 140x + 100
Bonne journée !
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Bonjour,
A = 5x (-3x + 6)
A = -15x² + 30x
B = (4x - 9)(3x - 8)
B = 12x² - 32x - 27x + 72
B = 12x² - 59x + 72
C = (-7x - 10)²
C = 49x² + 140x + 100
Bonne journée !