Evaluate
-\sqrt{13}-3\approx -6.605551275
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\frac{-6-2\sqrt{13}}{2}
Factor 52=2^{2}\times 13. Rewrite the square root of the product \sqrt{2^{2}\times 13} as the product of square roots \sqrt{2^{2}}\sqrt{13}. Take the square root of 2^{2}.
-3-\sqrt{13}
Divide each term of -6-2\sqrt{13} by 2 to get -3-\sqrt{13}.
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