Find all real numbers $x$ such that \[\left(\frac{x}{2x-1}\right)^2 \le 9.\]
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Find all real numbers $x$ such that \[\left(\frac{x}{2x-1}\right)^2 \le 9.\]
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
(-\infty, \tfrac37] \cup [\tfrac35, \infty)
Find all real numbers $x$ such that \[\left(\frac{x}{2x-1}\right)^2 \le 9.\]
train