\[(6,2x + 9,3)(4x - 3,6) = 0\]
\[1)\ 6,2x + 9,3 = 0\]
\[6,2x = - 9,3\]
\[x = - 9,3\ :6,2\]
\[2)\ x = - 1,5.\]
\[4x - 3,6 = 0\]
\[4x = 3,6\]
\[x = 3,6\ :4\]
\[x = 0,9.\]
\[Ответ:\ \ x = - 1,5;\ \ 0,9.\]