Evaluate
2\left(\sqrt{5}+3\sqrt{2}\right)\approx 12.957417329
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2\sqrt{5}+\sqrt{72}
Factor 20=2^{2}\times 5. Rewrite the square root of the product \sqrt{2^{2}\times 5} as the product of square roots \sqrt{2^{2}}\sqrt{5}. Take the square root of 2^{2}.
2\sqrt{5}+6\sqrt{2}
Factor 72=6^{2}\times 2. Rewrite the square root of the product \sqrt{6^{2}\times 2} as the product of square roots \sqrt{6^{2}}\sqrt{2}. Take the square root of 6^{2}.
Examples
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Simultaneous equation
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Limits
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