$\"\"$

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The expression is $\"\"$ .

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Substitute the value of x = 3and y = 4.

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The expression is $\"\"$ $\"\"$

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= $\"\"$

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= $\"\"$ (Add: $\"\"$ )

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

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The value of given expression is $\"\"$ .