Evaluate
18-10\sqrt{3}\approx 0.679491924
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6\left(\sqrt{3}\right)^{2}-10\sqrt{3}
Use the distributive property to multiply 2\sqrt{3} by 3\sqrt{3}-5.
6\times 3-10\sqrt{3}
The square of \sqrt{3} is 3.
18-10\sqrt{3}
Multiply 6 and 3 to get 18.
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