/ 2 \ \5*a + 1/*(3*y - 1)
(5*a^2 + 1)*(3*y - 1*1)
/ ___\ / ___\ | I*\/ 5 | | I*\/ 5 | 1*|a + -------|*|a - -------|*(y - 1/3) \ 5 / \ 5 /
((1*(a + i*sqrt(5)/5))*(a - i*sqrt(5)/5))*(y - 1/3)
2 2 -1 - 5*a + 3*y + 15*y*a
-1 - 5*a^2 + 3*y + 15*y*a^2
2 2 -1 - 5*a + 3*y + 15*y*a
-1 - 5*a^2 + 3*y + 15*y*a^2