Решите уравнение: (12x^2+x)/x=0

\[\ \frac{12x^{2} + x}{x} = 0\]

\[\frac{x(12x + 1)}{x} = 0\]

\[12x + 1 = 0\]

\[12x = - 1\]

\[x = - \frac{1}{12}\]

\[ОДЗ:\ \ x \neq 0\]

\[Ответ:\ x = - \frac{1}{12}.\]

\[a > 0;\ \ \ \ \ c < 0\]

\[\ a^{7}c^{8} > 0\]

\[a^{7} > 0;\ \ \ \ c^{8} > 0\ \]