(x+1/2x-2 - 1/2x^2-2) * 2x+2/x+2 Срочно на завтра.
По действиям: 1) x+1 - 1 = x+1 - 1 = x+1 - 1 = (x+1)² -1 = 2x-2 2x²-2 2(x-1) 2(x²-1) 2(x-1) 2(x-1)(x+1) 2(x-1)(x+1) =x²+2x+1-1 = x(x+2) 2(x-1)(x+1) 2(x-1)(x+1) 2) x(x+2) * 2x+2 = x(x+2) * 2(x+1) = x 2(x-1)(x+1) x+2 2(x-1)(x+1) x+2 x-1 Ответ: x x-1