Evaluate
56\sqrt{3}\approx 96.994845224
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-2\sqrt{14}\left(-2\right)\sqrt{14}\sqrt{3}
Factor 42=14\times 3. Rewrite the square root of the product \sqrt{14\times 3} as the product of square roots \sqrt{14}\sqrt{3}.
-2\times 14\left(-2\right)\sqrt{3}
Multiply \sqrt{14} and \sqrt{14} to get 14.
-28\left(-2\right)\sqrt{3}
Multiply -2 and 14 to get -28.
56\sqrt{3}
Multiply -28 and -2 to get 56.
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