Bonjour,
Réduire :
5x-3-3x-6+4x = 5x + 4x - 3x - 6 - 3 = 6x - 9
4y²-2y²-3y-y-6+5 = 2y² - 4y - 1.
11 + 2 (x - 6) + 4 (- 3x - 6) = 11 + 2x - 12 - 12x - 24 = - 10x - 25
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Bonjour,
Réduire :
5x-3-3x-6+4x = 5x + 4x - 3x - 6 - 3 = 6x - 9
4y²-2y²-3y-y-6+5 = 2y² - 4y - 1.
11 + 2 (x - 6) + 4 (- 3x - 6) = 11 + 2x - 12 - 12x - 24 = - 10x - 25