(X - 4)/(x - 5) - (x - 6)/(x - 10) < 2;
(X - 4)/(x - 5) - (x - 6)/(x - 10) - 2 < 0;
((x - 4) * (x - 10) - (x - 6) * (x - 5) - 2 * (x - 6) * (x - 10))/((x - 6) * (x - 10)) < 0;
(x^2 - 14 * x + 40 - x^2 + 11 * x -30 - 2 * x^2 + 32 * x -120)/((x - 6) * (x - 10)) < 0;
(-3 * x + 10 - 2 * x^2 + 32 * x - 120)/((x - 6) * (x - 10)) < 0;
(-2 * x^2 + 29 * x - 110)/((x - 6) * (x - 10)) < 0;
(2 * x^2 - 29 * x + 110)/((x - 6) * (x - 10)) > 0;
x1 = (-29 + √41)/4;
x2 = (-29 - √41)/4;
x = 6;
x = 10;
Отсюда получаем, x < (-29 - √41)/4, (-29 + √41)/4 < x < 6 и x > 10.
(X - 4)/(x - 5) - (x - 6)/(x - 10) < 2;
(X - 4)/(x - 5) - (x - 6)/(x - 10) - 2 < 0;
((x - 4) * (x - 10) - (x - 6) * (x - 5) - 2 * (x - 6) * (x - 10))/((x - 6) * (x - 10)) < 0;
(x^2 - 14 * x + 40 - x^2 + 11 * x -30 - 2 * x^2 + 32 * x -120)/((x - 6) * (x - 10)) < 0;
(-3 * x + 10 - 2 * x^2 + 32 * x - 120)/((x - 6) * (x - 10)) < 0;
(-2 * x^2 + 29 * x - 110)/((x - 6) * (x - 10)) < 0;
(2 * x^2 - 29 * x + 110)/((x - 6) * (x - 10)) > 0;
x1 = (-29 + √41)/4;
x2 = (-29 - √41)/4;
x = 6;
x = 10;
Отсюда получаем, x < (-29 - √41)/4, (-29 + √41)/4 < x < 6 и x > 10.