Factor
\frac{a^{4}+4a^{2}b^{5}-10a+4ba^{3}+2b}{2}
Evaluate
2a^{2}b^{5}+2ba^{3}+\frac{a^{4}}{2}+b-5a
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\frac{a^{4}+4a^{3}b+4a^{2}b^{5}-10a+2b}{2}
Factor out \frac{1}{2}.
Examples
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