Evaluate
\frac{\sqrt{2}-\sqrt{6}}{4}\approx -0.258819045
Factor
\frac{\sqrt{2} - \sqrt{6}}{4} = -0.2588190451025207
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\frac{-\sqrt{6}}{4}+\frac{\sqrt{2}}{4}
Multiply -1 and -1 to get 1.
\frac{-\sqrt{6}+\sqrt{2}}{4}
Since \frac{-\sqrt{6}}{4} and \frac{\sqrt{2}}{4} have the same denominator, add them by adding their numerators.
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