Bonsoir, pouvez vous m'aider pour la question 2 svp et me corriger la question 1. Merci. 1. Pour x = 2,

-2 x 2² + 2 + 6 = - 8 + 8 = 0


Donc 2 est solution de l'équation -2x² + x + 6 = 0
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