/ 3/4 3/4\ / 3/4 3/4\ / 3/4 3/4\ / 3/4 3/4\
| 2 I*2 | | 2 I*2 | | 2 I*2 | | 2 I*2 |
x*|x + ---- + ------|*|x + ---- - ------|*|x + - ---- + ------|*|x + - ---- - ------|
\ 2 2 / \ 2 2 / \ 2 2 / \ 2 2 /
$$x \left(x + \left(\frac{2^{\frac{3}{4}}}{2} + \frac{2^{\frac{3}{4}} i}{2}\right)\right) \left(x + \left(\frac{2^{\frac{3}{4}}}{2} - \frac{2^{\frac{3}{4}} i}{2}\right)\right) \left(x + \left(- \frac{2^{\frac{3}{4}}}{2} + \frac{2^{\frac{3}{4}} i}{2}\right)\right) \left(x + \left(- \frac{2^{\frac{3}{4}}}{2} - \frac{2^{\frac{3}{4}} i}{2}\right)\right)$$
(((x*(x + 2^(3/4)/2 + i*2^(3/4)/2))*(x + 2^(3/4)/2 - i*2^(3/4)/2))*(x - 2^(3/4)/2 + i*2^(3/4)/2))*(x - 2^(3/4)/2 - i*2^(3/4)/2)