$\"\"$

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The inequality is $\"\"$ .

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Simplify the inequality.

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$\"\"$

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Squaring on each side.

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$\"\"$

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The square root value cannot be less than zero.

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$\"\"$

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The solution of inequality $\"\"$ is $\"\"$ .

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$\"\"$

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The solution of inequality $\"\"$ is $\"\"$ .