Найдем х.
(x - 1)^2 = (14 - x)^2;
x^2 - 2 * x + 1 = 196 - 28 * x + x^2;
-2 * x + 1 = -28 * x + 196;
-2 * x + 28 * x = 196 - 1;
26 * x = 195;
x = 195/26;
x = 7.5.
Найдем х.
(x - 1)^2 = (14 - x)^2;
x^2 - 2 * x + 1 = 196 - 28 * x + x^2;
-2 * x + 1 = -28 * x + 196;
-2 * x + 28 * x = 196 - 1;
26 * x = 195;
x = 195/26;
x = 7.5.