Evaluate
-\frac{5\sqrt{3}}{4}+\frac{1}{2}\approx -1.665063509
Factor
\frac{2 - 5 \sqrt{3}}{4} = -1.6650635094610964
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\frac{1}{2}-\frac{3}{4}\sqrt{3}-\frac{\sqrt{3}}{2}
Combine -\frac{\sqrt{3}}{2} and -\frac{1}{4}\sqrt{3} to get -\frac{3}{4}\sqrt{3}.
\frac{1}{2}-\frac{5}{4}\sqrt{3}
Combine -\frac{3}{4}\sqrt{3} and -\frac{\sqrt{3}}{2} to get -\frac{5}{4}\sqrt{3}.
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