Evaluate
2\left(\sqrt{2}+\sqrt{6}\right)\approx 7.72740661
Factor
2 {(\sqrt{2} + \sqrt{6})} = 7.72740661
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8\times \frac{\sqrt{6}+\sqrt{2}}{4}
Since \frac{\sqrt{6}}{4} and \frac{\sqrt{2}}{4} have the same denominator, add them by adding their numerators.
2\left(\sqrt{6}+\sqrt{2}\right)
Cancel out 4, the greatest common factor in 8 and 4.
2\sqrt{6}+2\sqrt{2}
Use the distributive property to multiply 2 by \sqrt{6}+\sqrt{2}.
Examples
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Limits
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