Evaluate
-63x^{8}-\frac{1}{81}
Factor
\frac{-5103x^{8}-1}{81}
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-\frac{1}{81}-63x^{8}
Calculate 3 to the power of -4 and get \frac{1}{81}.
\frac{-1-5103x^{8}}{81}
Factor out \frac{1}{81}. Polynomial -1-5103x^{8} is not factored since it does not have any rational roots.
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