8
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
If $x \cdot (x+y) = x^2 + 8$, what is the value of $xy$?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
8
If $x \cdot (x+y) = x^2 + 8$, what is the value of $xy$?
train