Mathematics, 03.01.2022 02:40, Geo777

116 Dire si une affirmation est vraie ou fausse
Dans chaque cas, dire si l'affirmation est vraie ou
fausse. Justifier la réponse.
a. Le nombre 3 est solution de l'équation :
x? + 2x - 15 = 0.
b. On note x un nombre relatif.
A = 2x2 + 9x + 5.
L'expression A est égale au produit de la somme de
et de 5 par la différence entre 2r et 1.

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116 Dire si une affirmation est vraie ou fausse
Dans chaque cas, dire si l'affirmation est v...