\[6x^{2} + 7x = 0\]
\[6x\left( x + \frac{7}{6} \right) = 0\]
\[x_{1} = 0;\ \ x_{2} = - \frac{7}{6} = - 1\frac{1}{6}.\]
\[Ответ:x = - 1\frac{1}{6};x = 0.\]