152. If the number $6 - x - x^2 + 2x^2$ multiplied by 53 is a perfect cube, the digit $x$ is which of the following? (1) $6$ (2) $7$ (3) $8$ (4) $9$
\textbf{152.} If the number $6 - x - x^2 + 2x^2$ multiplied by 53 is a perfect cube, the digit $x$ is which of the following?
(1) $6$ \hfill (2) $7$
(3) $8$ \hfill (4) $9$
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