\[(a - 2)(a + 3) \cdot x = a + 3\]
\[при\ a \neq 2;\ \ a \neq - 3:\]
\[x = \frac{a + 3}{(a - 2)(a + 3)} = \frac{1}{a - 2}.\]
\[при\ a = 2:\]
\[(2 - 2)(2 + 3)x = 2 + 3\]
\[0x = 5\]
\[нет\ корней.\]
\[при\ a = - 3:\]
\[( - 3 - 2)( - 3 + 3)x = - 3 + 3\]
\[0x = 0\]
\[x - любое\ число.\]