Answer
$Q(x)=4x+8,\quad R(x)=13$
Work Step by Step
$\left.\begin{array}{l}
2 \ \lfloor \\ \\ \\ \end{array}\right.\begin{array}{rrrrr}
4 &0 & -3 & & \\\hline
&8 & 16 & & \\\hline
4 &8 & |\ \ \ 13 & & \end{array}$
$Q(x)=4x+8,\quad R(x)=13$