Evaluate
6-4\sqrt{3}\approx -0.92820323
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-4\sqrt{3}+2\left(\sqrt{3}\right)^{2}
Use the distributive property to multiply -2\sqrt{3} by 2-\sqrt{3}.
-4\sqrt{3}+2\times 3
The square of \sqrt{3} is 3.
-4\sqrt{3}+6
Multiply 2 and 3 to get 6.
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