Решите 592-1. Срочно! ДАЮ 25 БАЛЛОВ!
2x/(x+1)+3x/(x-1)-6x/ (x-1)(x+1) = (2x(x-1) + 3x(x+1) - 6x) / (x-1)(x+1) = (2x^2-2x+3x^2+3x-6x) / (x-1)(x+1) = 5x^2-5x / (x-1)(x+1) = 5x(x-1) / (x-1)(x+1) = 5x / (x+1)