Evaluate
11\sqrt{15}\approx 42.602816808
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2\sqrt{15}+\sqrt{15}+2\left(3\sqrt{15}+\sqrt{3}\sqrt{5}\right)
To multiply \sqrt{3} and \sqrt{5}, multiply the numbers under the square root.
3\sqrt{15}+2\left(3\sqrt{15}+\sqrt{3}\sqrt{5}\right)
Combine 2\sqrt{15} and \sqrt{15} to get 3\sqrt{15}.
3\sqrt{15}+2\left(3\sqrt{15}+\sqrt{15}\right)
To multiply \sqrt{3} and \sqrt{5}, multiply the numbers under the square root.
3\sqrt{15}+2\times 4\sqrt{15}
Combine 3\sqrt{15} and \sqrt{15} to get 4\sqrt{15}.
3\sqrt{15}+8\sqrt{15}
Multiply 2 and 4 to get 8.
11\sqrt{15}
Combine 3\sqrt{15} and 8\sqrt{15} to get 11\sqrt{15}.
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