Разложение на множители
[src] / ___________\ / ___________\ / ___________\ / ___________\
| / ___ | | / ___ | | / ___ | | / ___ |
| / 5 \/ 5 | | / 5 \/ 5 | | / 5 \/ 5 | | / 5 \/ 5 |
| ___ I* / - + ----- | | ___ I* / - + ----- | | ___ I* / - - ----- | | ___ I* / - - ----- |
| 1 \/ 5 \/ 8 8 | | 1 \/ 5 \/ 8 8 | | 1 \/ 5 \/ 8 8 | | 1 \/ 5 \/ 8 8 |
(x - 1/2)*|x + - - ----- + ------------------|*|x + - - ----- - ------------------|*|x + - + ----- + ------------------|*|x + - + ----- - ------------------|
\ 8 8 2 / \ 8 8 2 / \ 8 8 2 / \ 8 8 2 /
$$\left(x - \frac{1}{2}\right) \left(x + \left(- \frac{\sqrt{5}}{8} + \frac{1}{8} + \frac{i \sqrt{\frac{\sqrt{5}}{8} + \frac{5}{8}}}{2}\right)\right) \left(x + \left(- \frac{\sqrt{5}}{8} + \frac{1}{8} - \frac{i \sqrt{\frac{\sqrt{5}}{8} + \frac{5}{8}}}{2}\right)\right) \left(x + \left(\frac{1}{8} + \frac{\sqrt{5}}{8} + \frac{i \sqrt{\frac{5}{8} - \frac{\sqrt{5}}{8}}}{2}\right)\right) \left(x + \left(\frac{1}{8} + \frac{\sqrt{5}}{8} - \frac{i \sqrt{\frac{5}{8} - \frac{\sqrt{5}}{8}}}{2}\right)\right)$$