Решите уравнение: 9x^2+6x=0.

\[9x² + 6x = 0\]

\[3x(3x + 2) = 0\]

\[x = 0\ \ или\ \ \ 3x = - 2\ \ \]

\[\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ x = - \frac{2}{3}\]

\[Ответ:x = 0;x = - \frac{2}{3}.\]