Evaluate
15432\sqrt{22}+255\approx 72637.496005595
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255+5144\times 3\sqrt{22}
Factor 198=3^{2}\times 22. Rewrite the square root of the product \sqrt{3^{2}\times 22} as the product of square roots \sqrt{3^{2}}\sqrt{22}. Take the square root of 3^{2}.
255+15432\sqrt{22}
Multiply 5144 and 3 to get 15432.
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