The pythagoras theorem is a^2+b^2=c^2
Instead use WolframAlpha.com for math questions I would paste the answer but a cretinous fop has "disabled" that feature by javascript -- which is trivial to circumvent but I won't bother with the time.
It is hard to see the picture.
First step is square root both sides leaving with
x-6=+/-3
closest one is A
answer is A
Use this website wwww.abcs 123.com for the answer blrddd
