Simplify: 72+800-18 - Vidyadip

Question

Simplify: $\sqrt{72}+\sqrt{800}-\sqrt{18}$

✓

Answer

$\sqrt{72}+\sqrt{800}-\sqrt{18}$ $=\sqrt{ 36\times2}+\sqrt{400\times2}-\sqrt{9\times2}$ $=6\sqrt{2}+20\sqrt{2}-3\sqrt{2}$ $=23\sqrt{2}$

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