- 1,2 \sqrt { 450 }
Evaluate
-18\sqrt{2}\approx -25.455844123
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-1,2\times 15\sqrt{2}
Factor 450=15^{2}\times 2. Rewrite the square root of the product \sqrt{15^{2}\times 2} as the product of square roots \sqrt{15^{2}}\sqrt{2}. Take the square root of 15^{2}.
-18\sqrt{2}
Multiply -1,2 and 15 to get -18.
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