Решите пж уравнение help

x - 4/x = 3 ( x^2 - 4) / x = 3 x^2 - 4 = 3x x^2 - 3x - 4 = 0 D = b^2 - 4ac = 9 + 16 = 25 = 5^2 x1 = ( 3 + 5) / 2 = 4 x2 = ( 3 - 5) / 2 = - 1