Question 423779
If a polynomial function, written in descending order, has integer coefficients, then any rational zero must be of the form ± p/q, where p , 

So in this case p is 6. So the factors are 1,2,3,6
q is 2. So those factors are 1 and 2

So now all that is left to do crunch through all the combination
1/1 , 1/2, 2/1, 2/2 , 3/1, 3/2, 6/1, 6/2
1, 1/2, 2, 1, 3, 3/2 , 6, 3
Eliminate the duplicates to get
1, 1/2, 2, 3, 3/2 and 6