/ 2 \ (a - 5)*\a - 5*a + 25/
(a - 1*5)*(a^2 - 5*a + 25)
/ ___\ / ___\ | 5 5*I*\/ 3 | | 5 5*I*\/ 3 | 1*(a - 5)*|a + - - + ---------|*|a + - - - ---------| \ 2 2 / \ 2 2 /
((1*(a - 5))*(a - (5/2 + 5*i*sqrt(3)/2)))*(a - (5/2 - 5*i*sqrt(3)/2))
3 2 -125 + a - 10*a + 50*a
-125 + a^3 - 10*a^2 + 50*a
3 2 -125 + a - 10*a + 50*a
-125 + a^3 - 10*a^2 + 50*a