Answer
$=3\ |\ 2\ 0\ -5\ 1$
Work Step by Step
To perform a synthetic division by $x-c$, we put the number $c$ to the left, thus we put -$3$ to the left. We put coefficients $2\ 0\ -5\ 1$ of the dividend as a group to the right, thus the starting form will look like $=3\ |\ 2\ 0\ -5\ 1$
