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Example of Simplifying 144-\sqrt{144}

To simplify the expression 144-\sqrt{144}, first determine the principal square root of the radicand. Since 122=14412^2 = 144, the principal square root is 1212. Then, apply the negative sign that is positioned in front of the radical. This yields 12-12. The negative sign is not part of the radicand; instead, it indicates taking the opposite of the computed square root.

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Updated 2026-04-21

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