Evaluate
14\sqrt{62}-37\approx 73.236110236
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3+7\times 2\sqrt{62}-4\left(3+7\right)
Factor 248=2^{2}\times 62. Rewrite the square root of the product \sqrt{2^{2}\times 62} as the product of square roots \sqrt{2^{2}}\sqrt{62}. Take the square root of 2^{2}.
3+14\sqrt{62}-4\left(3+7\right)
Multiply 7 and 2 to get 14.
3+14\sqrt{62}-4\times 10
Add 3 and 7 to get 10.
3+14\sqrt{62}-40
Multiply 4 and 10 to get 40.
-37+14\sqrt{62}
Subtract 40 from 3 to get -37.
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