Answer:
(x-2)²=9 
sqrt both sides 
don't forget positive and negative roots 
x-2=+/-3 
 
well, she is partially correct 
x-2=3 is one answer 
she didn't remember the other one the x-2=-3
Explanation:
(x-2)²=9 
sqrt both sides 
don't forget positive and negative roots 
x-2=+/-3 
 
well, she is partially correct 
x-2=3 is one answer 
she didn't remember the other one the x-2=-3