There exists a complex number of the form $z = x + yi,$ where $x$ and $y$ are positive integers, such that
\[z^3 = -74 + ci,\]for some integer $c.$  Find $z.$
Question:
There exists a complex number of the form $z = x + yi,$ where $x$ and $y$ are positive integers, such that
\[z^3 = -74 + ci,\]for some integer $c.$  Find $z.$
Answer:
Let's think step by step.

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1 + 5i
There exists a complex number of the form $z = x + yi,$ where $x$ and $y$ are positive integers, such that
\[z^3 = -74 + ci,\]for some integer $c.$  Find $z.$
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