Exercice 3 svp c pour demain
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Bjr,
3 * 2x + 3 * 4 = 6x + 12
- 4 * 3 - 4 * 5x = - 20x - 12
6x * 11 + 6x * -6x= -36x² + 66x
- x * 2x - x * - 1 = -2x² + x