November 2021 0 174 Report
Bonsoir, Pouvez vous m'aider à Développer et réduire les expressions suivantes, comme l'exemple de A svp. A = 3(x −1) + (x + 1)(2x + 1)
A = 3x - 3 + 2x² + x + 2x + 1
A = 2x² + 6x - 2


B = (x + 2)(x + 1) + (x + 3)(2x −1)
D = −(2x −3) + x(x −1)
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