Factor
\frac{-2a^{3}+74ab^{2}+75b^{3}-50ba^{2}}{30}
Evaluate
\frac{37ab^{2}}{15}-\frac{5ba^{2}}{3}+\frac{5b^{3}}{2}-\frac{a^{3}}{15}
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\frac{-2a^{3}-50a^{2}b+74ab^{2}+75b^{3}}{30}
Factor out \frac{1}{30}.
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