\[10x^{2} - 2x = 0\]
\[2x(5x - 1) = 0\]
\[1)\ 2x = 0\]
\[x = 0.\]
\[2)\ 5x - 1 = 0\]
\[5x = 1\]
\[x = \frac{1}{5}\]
\[x = 0,2.\]
\[Ответ:x = 0;x = 0,2.\]