Evaluate
-\frac{4\sqrt{6}}{3}+4\approx 0.734013676
Factor
\frac{4 {(3 - \sqrt{6})}}{3} = 0.7340136762890962
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-\frac{4}{3}\sqrt{6}+4
Combine \frac{2}{3}\sqrt{6} and -2\sqrt{6} to get -\frac{4}{3}\sqrt{6}.
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