Evaluate
-50\sqrt{3}\approx -86.602540378
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2\left(-5\right)\sqrt{5}\sqrt{5}\sqrt{3}
Factor 15=5\times 3. Rewrite the square root of the product \sqrt{5\times 3} as the product of square roots \sqrt{5}\sqrt{3}.
2\left(-5\right)\times 5\sqrt{3}
Multiply \sqrt{5} and \sqrt{5} to get 5.
-10\times 5\sqrt{3}
Multiply 2 and -5 to get -10.
-50\sqrt{3}
Multiply -10 and 5 to get -50.
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