\[12x^{2} - 5x = 0\]
\[x(12x - 5) = 0\]
\[x = 0\ \ \ \ \ \ \ \ 12x = 5\]
\[\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ x = \frac{5}{12}.\]
\[Ответ:x = \frac{5}{12};\ \ x = 0.\]