\[(2x - 3)^{2} - 36 = 0\]
\[(2x - 3 - 6)(2x - 3 + 6) = 0\]
\[(2x - 9)(2x + 3) = 0\]
\[2x - 9 = 0\ \ \ \ \ \ \ \ \ 2x + 3 = 0\]
\[2x = 9\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 2x = - 3\]
\[x = 4,5\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ x = - 1,5\]
\[Ответ:x = 4,5;x = - 1,5.\ \]