$$x^8-255x+254 = 0$$
Answer
$$ \begin{matrix}x_1 = 1 & x_2 = 2 & x_3 = 1.22199+1.76737i \\[1 em] x_4 = 1.22199-1.76737i & x_5 = -0.61712+2.17871i & x_6 = -0.61712-2.17871i \\[1 em] x_7 = -2.10487+0.96653i & x_8 = -2.10487-0.96653i \\[1 em] \end{matrix} $$
Explanation
This page was created using
Polynomial Equations Solver