Evaluate
-20\sqrt{6}\approx -48.989794856
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-5\times 4\sqrt{6}
Factor 96=4^{2}\times 6. Rewrite the square root of the product \sqrt{4^{2}\times 6} as the product of square roots \sqrt{4^{2}}\sqrt{6}. Take the square root of 4^{2}.
-20\sqrt{6}
Multiply -5 and 4 to get -20.
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