Question 166400
3x^3-5x^2+4x-2

possible rational zeros are p/q where p is a factor of -2 
and q is a factor of 3

possible values of p are: 1,-1,2,-2
possible values of q are: 1,-1,3,-3
so possible zeros are: 

1,-1,1/3,-1/3,2,-2,2/3,-2/3