Evaluate
3\left(\sqrt{2}+6\right)\approx 22.242640687
Factor
3 {(\sqrt{2} + 6)} = 22.242640687
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18+3\sqrt{2}
Factor 18=3^{2}\times 2. Rewrite the square root of the product \sqrt{3^{2}\times 2} as the product of square roots \sqrt{3^{2}}\sqrt{2}. Take the square root of 3^{2}.
Examples
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