Evaluate
-12
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-12
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-2^{2}\left(\sqrt{3}\right)^{2}
Expand \left(2\sqrt{3}\right)^{2}.
-4\left(\sqrt{3}\right)^{2}
Calculate 2 to the power of 2 and get 4.
-4\times 3
The square of \sqrt{3} is 3.
-12
Multiply 4 and 3 to get 12.
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