Hi Fancy Nancy :)
The answer is : A
Because when you factorize x² - 4x + 4 you will get ( x -2)(x-2). However, we dot have it exactly in the options given but they gave (x-2)² which is equal to (x-2)(x-2)
Hey, if you have more questions please let me know. Feel free to message me and I will help you.
Have a nice day Nancy! You are always fancy!