Решите уравнение 9y^2-(3y-1)(3y-2)=16
9y^2 - (3y-1)(3y-2)=16 9y^2 - (9y^2 - 6y - 3y + 2) = 16 9y^2 - 9y^2 + 9y - 2 = 16 9y = 18 y = 2