Answer
$Q(x)=-x+2,\quad R(x)=-6$
Work Step by Step
$\left.\begin{array}{l}
-1 \ \lfloor \\ \\ \\ \end{array}\right.\begin{array}{rrrrr}
-1 &1 &-4 & & \\\hline
&1 &-2 & & \\\hline
-1 &2 &-6 & & \end{array}$
$Q(x)=-x+2,\quad R(x)=-6$