$\"\"$

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The expression is, $\"\"$

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$\"\"$ . (Absolute value of 12 is 12)

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$\"\"$ . (Absolute value of -2 is 2) $\"\"$

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Rewrite the expression,

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$\"\"$

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$\"\"$ (Subtract: $\"\"$ ) $\"\"$

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Value of the expression is $\"\"$ .