z^5 = z^2
z^5 - z^2=0
z^2(z^3-1)=0
z^2=0
z=0
z^3-1=0
z^3=1
z=1
(z^3-1):(z-1)=z^2+z+1
-(z^3-z^2)
------------------
z^2-1
-(z^2-z)
-------------------
z-1
-(z-1)
----------------------
0
z^2+z+1=0
z^2+z=-1
(z+0,5)^2=-1+0,25=-0,75=3/4 i^2|\( \sqrt{} \)
1.) z+0,5=0,5i\( \sqrt{3} \)
z_1=...
2.) z+0,5=-0,5i\( \sqrt{3} \)
z_2=...