Respuesta :

I'll show you the steps that you can follow to get the answer....

*** First of all remember that  i = √-1

(x - 2i)²
(x - 2i)(x - 2i)
(x² - 2xi - 2xi + 4i²)           ----->   i² = (√-1)² = -1
(x² - 4xi - 4)

That is your final answer!

Hope this helps you :D

Answer:

(x² - 4xi - 4)

Step-by-step explanation: