Expand $(z^2 -3z+2)(z^3 + 4z-2).$
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Expand $(z^2 -3z+2)(z^3 + 4z-2).$
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
z^5-3z^4+6z^3-14z^2+14z-4
Expand $(z^2 -3z+2)(z^3 + 4z-2).$
train