Respuesta :

apologiabiology
(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
blairsmith422

Answer:

She is correct because taking the sqrt on both sides would give us x-2=3

Step-by-step explanation: