Answer
$2x^3+\dfrac{9}{2}x^2+10x+21+\dfrac{42}{x-2}$
Work Step by Step
Using the long division method below, then
\begin{array}{l}\require{cancel}\left(
2x^4+\dfrac{1}{2}x^3+x^2+x
\right)\div(
x-2
)\\=
2x^3+\dfrac{9}{2}x^2+10x+21+\dfrac{42}{x-2}
.\end{array}