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Omni-MATH / If n is a positive integer such that n³+2n²+9n+8 is the cube of an integer, find n.

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problem

If nn is a positive integer such that n3+2n2+9n+8n^{3}+2 n^{2}+9 n+8 is the cube of an integer, find nn.
Plain-text mathematical notation (without MathML)
If n is a positive integer such that n³+2n²+9n+8 is the cube of an integer, find n.
Original LaTeX notation
If $n$ is a positive integer such that $n^{3}+2 n^{2}+9 n+8$ is the cube of an integer, find $n$.

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