Evaluate
148\sqrt{105}+2\approx 1518.548713362
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2+37\sqrt{1680}
Multiply 8 and 210 to get 1680.
2+37\times 4\sqrt{105}
Factor 1680=4^{2}\times 105. Rewrite the square root of the product \sqrt{4^{2}\times 105} as the product of square roots \sqrt{4^{2}}\sqrt{105}. Take the square root of 4^{2}.
2+148\sqrt{105}
Multiply 37 and 4 to get 148.
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