Réponse:
B= (2x - 3) (4 - 3x) - x (5 - 3x)
8x - 6x² - 12 + 9x - 5x + 3x²
12x - 3x² - 12
solution
- 3x² + 12x - 12
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Réponse:
B= (2x - 3) (4 - 3x) - x (5 - 3x)
8x - 6x² - 12 + 9x - 5x + 3x²
12x - 3x² - 12
solution
- 3x² + 12x - 12