13
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
If $(x + y)^2 = 25$ and $xy = 6$, what is the value of $x^2 + y^2$?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
13
If $(x + y)^2 = 25$ and $xy = 6$, what is the value of $x^2 + y^2$?
train