Question 395529
(x-(2+i))(x-(2-i))= 0
----
Rearrange:

((x-2)-i)((x-2)+i) = 0
-----
(x-2)^2-i^2 = 0
---
(x-2)^2+1 = 0
---
x^2-4x+4+1 = 0
---
x^2-4x+5 = 0
----
Use Quadratic Formla:
----
x = [4 +- sqrt(16-4*5)]/2
---
x = [4 +- sqrt(-4)]/2
---
x = [4+- 2i]/2
---
x = 2+i or x = 2-i
========================
Cheers,
Stan H.
==========