/ ___________\ / ___________\ / ___________\ / ___________\ | ___ / ___ | | ___ / ___ | | ___ / ___ | | ___ / ___ | | 3 3*\/ 5 / 5 \/ 5 | | 3 3*\/ 5 / 5 \/ 5 | | 3 3*\/ 5 / 5 \/ 5 | | 3 3*\/ 5 / 5 \/ 5 | (x - 3)*|x + - - ------- + 3*I* / - + ----- |*|x + - - ------- - 3*I* / - + ----- |*|x + - + ------- + 3*I* / - - ----- |*|x + - + ------- - 3*I* / - - ----- | \ 4 4 \/ 8 8 / \ 4 4 \/ 8 8 / \ 4 4 \/ 8 8 / \ 4 4 \/ 8 8 /
((((x - 3)*(x + 3/4 - 3*sqrt(5)/4 + 3*i*sqrt(5/8 + sqrt(5)/8)))*(x + 3/4 - 3*sqrt(5)/4 - 3*i*sqrt(5/8 + sqrt(5)/8)))*(x + 3/4 + 3*sqrt(5)/4 + 3*i*sqrt(5/8 - sqrt(5)/8)))*(x + 3/4 + 3*sqrt(5)/4 - 3*i*sqrt(5/8 - sqrt(5)/8))
/ 4 3 2 \ (-3 + x)*\81 + x + 3*x + 9*x + 27*x/
(-3 + x)*(81 + x^4 + 3*x^3 + 9*x^2 + 27*x)