/ 2 \ (5*c - 1)*\c - 5*c + 1/
(5*c - 1*1)*(c^2 - 5*c + 1)
/ ____\ / ____\ | 5 \/ 21 | | 5 \/ 21 | 1*(c - 1/5)*|c + - - + ------|*|c + - - - ------| \ 2 2 / \ 2 2 /
((1*(c - 1/5))*(c - (5/2 + sqrt(21)/2)))*(c - (5/2 - sqrt(21)/2))
2 3 -1 - 26*c + 5*c + 10*c
-1 - 26*c^2 + 5*c^3 + 10*c
2 3 -1 - 26*c + 5*c + 10*c
-1 - 26*c^2 + 5*c^3 + 10*c