x^2 + 12x + 35
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Expand the product ${(x+5)(x+7)}$.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
x^2 + 12x + 35
Expand the product ${(x+5)(x+7)}$.
train