Simplify plz 
I really need help  
                                             
                                          
                                          
                                        
											 
											Answer:
(x - 2)
Step-by-step explanation:
[tex] \sqrt{ {x}^{2} - 4x + 4} \\ \\ = \sqrt{ {(x - 2)}^{2} } \\ \\ = (x - 2)[/tex]