\[(1 - 3x)(x + 2) = 0\]
\[1 - 3x = 0\ \ \ \ \ \ \ \ x + 2 = 0\]
\[3x = 1\ \ \ \ \ \ \ \ \ \ \ \ \ x = - 2\]
\[x = \frac{1}{3}\]
\[Ответ:x = - 2;\ \ x = \frac{1}{3}.\]