Решите уравнение: 9x^2-49x=0.

\[9x² - 49x = 0\]

\[x(9x - 49) = 0\]

\[x = 0\ \ \ \ \ \ \ \ \ \ 9x - 49 = 0\ \ \ \]

\[\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 9x = 49\]

\[\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ x = \frac{49}{9} = 5\frac{4}{9}\]

\[Ответ:x = 0;x = 5\frac{4}{9}.\]