$\"\"$

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The inequality is $\"\"$ .

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Rewrite the inequality $\"\"$ or $\"\"$ .

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Solve compound inequality.

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Case(i).

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$\"\"$ (Original inequality)

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$\"\"$ (Multiply)

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$\"\"$ (Divide each side by $\"\"$ )

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$\"\"$ (Cancel common terms)

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$\"\"$

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Case(ii).

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$\"\"$ (Original inequality)

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$\"\"$ (Multiply)

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$\"\"$ (Divide each side by $\"\"$ )

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$\"\"$ (Cancel common terms)

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$\"\"$

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The graph of the solution set for each inequality on a number line diagram.

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$\"graph$ $\"\"$

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The compound inequality solution set is $\"\"$ .