Решить уравнение:27/х^2+3х-2/х=3/х^2-3х
ОДЗ x ≠ - 3; x ≠ 0; x ≠ 3 27(x - 3) - 2(x - 3)(x + 3) - 3(x + 3) = 0 27x - 81 - 2(x^2 - 9) - 3x - 9 = 0 27x - 81 - 2x^2 + 18 - 3x - 9 = 0 - 2x^2 + 24x - 72 = 0 /:(-2) x^2 - 12x + 36 = 0 (x - 6)^2 = 0 x = 6