/ ____\ / ____\ / ___\ | 3 \/ 13 | | 3 \/ 13 | / ___\ \x + 2 - \/ 5 /*|x + - - ------|*|x + - + ------|*\x + 2 + \/ 5 / \ 2 2 / \ 2 2 /
(((x + 2 - sqrt(5))*(x + 3/2 - sqrt(13)/2))*(x + 3/2 + sqrt(13)/2))*(x + 2 + sqrt(5))
1.0 + x^4 + 10.0*x^2 + 7.0*x^3 - 7.0*x
1.0 + x^4 + 10.0*x^2 + 7.0*x^3 - 7.0*x
1 + x*(-7 + x*(10 + x*(7 + x)))
1 + x*(-7 + x*(10 + x*(7 + x)))