2x^2 + 13x + 15
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Expand the product ${(2x+3)(x+5)}$.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
2x^2 + 13x + 15
Expand the product ${(2x+3)(x+5)}$.
train