Polynomial Eigen Value Problem.

Can anyone let me know how to solve this problem.

A = [a1 a2]; B = [b1 b2]; C = [c1 c2];

(k^2*[A] + k*[B] + C)*x = 0;

where a1,a2,b1,b2,c1,c2 are 5x5 matrices.

Can this be solved using polyeig - How? or Any other solutions?

Thanks.