$\"\"$

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The expression is $\"\"$ .

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$\"\"$ (Replace x, y and z with $\"\"$ , 4 and 2)

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$\"\"$ (Multiply: $\"\"$ ) $\"\"$

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$\"\"$ (Absolute value of 32 is 32)

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$\"\"$ (Absolute value of $\"\"$ is 3)

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$\"\"$ (Multiply: $\"\"$ )

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

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The value of the expression is 23.