If C^3 + 2*C^2 + (1 - Z)*C + (1 - Z)^ 2 = 0, what values can C and Z have other than C = 0, Z = 1?

So far I've figured out if C = -10, then (1 - Z) is somewhere between 33.72281323232389 and 33.7228132323239.

\(C=-2,\ Z = 1 \\ C=-2,\ Z=-1 \)