Evaluate
36-13\sqrt{6}\approx 4.156633344
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\left(\sqrt{6}\right)^{2}-10\sqrt{6}-3\sqrt{6}+30
Apply the distributive property by multiplying each term of \sqrt{6}-3 by each term of \sqrt{6}-10.
6-10\sqrt{6}-3\sqrt{6}+30
The square of \sqrt{6} is 6.
6-13\sqrt{6}+30
Combine -10\sqrt{6} and -3\sqrt{6} to get -13\sqrt{6}.
36-13\sqrt{6}
Add 6 and 30 to get 36.
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