x^6-5832
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Multiply $(x^4 +18 x^2 + 324) (x^2-18)$.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
x^6-5832
Multiply $(x^4 +18 x^2 + 324) (x^2-18)$.
train