December 2020 0 102 Report
57 Pour chaque équation ci-dessous, vérifie si les nombres 0; 2 et - 1 sont solutions ou pas.
a. 2(x + 1) + 5 = 7
b. 2(x + 1) + 5 = 6 + x
c. 2(x + 1) + 5 = 3x2 – x + 1
d. 2(x + 1) + 5 = (x + 3)(4 – x)
Merci d’avance
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