\[36x² - 60x + 25 = 0\]
\[(6x - 5)^{2} = 0\]
\[6x - 5 = 0\]
\[6x = 5\]
\[x = \frac{5}{6}\]
\[Ответ:x = \frac{5}{6}\text{.\ }\]