\alpha mz^2+(\alpha n+k)z+l=p_\alpha z+q_\alpha,\quad w_3+(v_3+\alpha w_2)z+(u_3+\alpha v_2+\alpha^2w_1)z^2+(\alpha u_2+\alpha^2 v_1)z^3+\alpha^2u_1 z^4=r_\alpha z^2+s_\alpha z+t_\alpha.