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
*** 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