Bonjour
a. Fausse
6 * x - 6 = 0
6x - 6 = 0
6x = 6
x = 66
x = 1
b. Fausse
4 * (x + 1) = 4 * x + 1
4x + 4 ≠ 4x + 1
c. Fausse
2 * x + 3 * x = 6 * x * x
2x + 3x = 6x²
5x ≠ 6x²