Use polynomial division to rewrite each of the following rational expressions. 

1. $\frac { x ^ { 3 } + 2 x ^ { 2 } - 3 x + 4 } { x + 3 }$

   Hint (a):

   Use an area model or rewrite as a long division problem.

2. $\frac { x ^ { 4 } - 5 x ^ { 2 } + 3 x - 3 } { x - 2 }$