Evaluate
-14\sqrt{3}\approx -24.248711306
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-5\sqrt{3}-3\times 3\sqrt{3}
Factor 27=3^{2}\times 3. Rewrite the square root of the product \sqrt{3^{2}\times 3} as the product of square roots \sqrt{3^{2}}\sqrt{3}. Take the square root of 3^{2}.
-5\sqrt{3}-9\sqrt{3}
Multiply -3 and 3 to get -9.
-14\sqrt{3}
Combine -5\sqrt{3} and -9\sqrt{3} to get -14\sqrt{3}.
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