3 2 a + 8*a + 17*a + 10
a^3 + 8*a^2 + 17*a + 10
1*(a + 5)*(a + 2)*(a + 1)
((1*(a + 5))*(a + 2))*(a + 1)
10.0 + a^3 + 8.0*a^2 + 17.0*a
(1 + a)*(2 + a)*(5 + a)