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Résoudre :
(3x - 2)(x + 1 + 2 - 3x) = 0
(3x - 2)(-2x + 3) = 0
3x - 2 = 0 ou -2x + 3 = 0
3x = 2 ou 2x = 3
x = 2/3 ou x = 3/2
(x + 1)(2 - x - 2x - 5) = 0
(x + 1)(-3x - 3) = 0
(x + 1) * 3(-x - 1) = 0
3(x + 1)(-x - 1) = 0
x + 1 = 0 ou -x - 1 = 0
x = -1 ou x = -1
(5x + 1)(x - 2) - (5x + 1)^2 = 0
(5x + 1)(x - 2 - 5x - 1) = 0
(5x + 1)(-4x - 3) = 0
5x + 1 = 0 ou -4x - 3 = 0
5x = -1 ou 4x = -3
x = -1/5 ou x = -3/4
(3 - 2x)(x + 1) - 3(3 - 2x) = 0
(3 - 2x)(x + 1 - 3) = 0
(3 - 2x)(x - 2) = 0
3 - 2x = 0 ou x - 2 = 0
2x = 3 ou x = 2
x = 3/2 ou x = 2
