Expand the product $(x+1)^2 \cdot x$.
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Expand the product $(x+1)^2 \cdot x$.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
x^3 + 2x^2 + x
Expand the product $(x+1)^2 \cdot x$.
train