Conditie: 2-x>0
Ridicam ambele parti la patrat.
2-x = (3x-2)²
2-x = 9x²-12x+4
-9x²+11x-2 = 0
9x²-11x+2 = 0
Delta = 121-4*9*2 = 49
x_1 = (11+7)/18 = 1 solutie (prin inlocuire obtinem egalitate)
x2 = (11-7)/18 = 4/18 = 2/9 nu convine (nu obtinem egalitate)