Evaluate
2a^{2}+4a+\frac{5}{2}
Factor
\frac{4a^{2}+8a+5}{2}
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2a^{2}+4a+\frac{5}{2}
Subtract \frac{3}{2} from 4 to get \frac{5}{2}.
\frac{4a^{2}+8a+5}{2}
Factor out \frac{1}{2}. Polynomial 4a^{2}+8a+5 is not factored since it does not have any rational roots.
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