if `a gt b gt c` and the system of equations `ax + by + cz = 0, bx + cy + az 0 and cx + ay + bz = 0`

if `a gt b gt c` and the system of equations `ax + by + cz = 0, bx + cy + az 0 and cx + ay + bz = 0` has a non-trivial solution, then the quadratic equation `ax^(2) + bx + c =0` has