Evaluate
\sqrt{7}+3\sqrt{3}+5\approx 12.841903734
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3\sqrt{3}+5+\sqrt{7}
Factor 27=3^{2}\times 3. Rewrite the square root of the product \sqrt{3^{2}\times 3} as the product of square roots \sqrt{3^{2}}\sqrt{3}. Take the square root of 3^{2}.
Examples
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