Question 1137044
POSSIBLE roots to check would be  3/2, 3, 1/2, -3/2, -3, -1/2, 1, -1.


You can test each of those using synthetic division.  Which ever ones give remainder of 0 are the roots for your equation.  Best to do the integer possibilities first.  You can do that one your own.


<i>MAYBE</i> the only Real root is  {{{-1/2}}}.