Factor
\frac{\left(162y^{7}+49z^{18}\right)^{2}}{15876}
Evaluate
\frac{\left(162y^{7}+49z^{18}\right)^{2}}{15876}
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\frac{26244y^{14}+15876y^{7}z^{18}+2401z^{36}}{15876}
Factor out \frac{1}{15876}.
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