\[\ 5x² = 12x\]
\[5x^{2} - 12x = 0\]
\[x(5x - 12) = 0\]
\[x = 0\ \ \ \ \ \ \ \ 5x - 12 = 0\]
\[\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 5x = 12\]
\[\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ x = 2,4\]
\[Ответ:\ \ x = 0\ \ \ \ и\ \ x = 2,4.\]