\[\boxed{\mathbf{294}.}\]
\[1)\ \left( x^{5} + 4x^{4} + x^{2} + 3 \right)\ :\]
\[:(x^{2} + 6x + 8)\]
\[Ответ:10x + 59.\]
\[2)\ \left( x^{8} - 4x^{6} + 3x^{3} - x \right)\ :\]
\[:(x^{2} - 4)\]
\[Ответ:11x.\ \]