$\"\"$

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The expression is $\"\"$ .

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Multiply each term:

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$\"\"$

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Assosiative property of multiplication: $\"\"$ .

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$\"\"$

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Product property of square roots: $\"\"$ .

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$\"\"$

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Product property of square roots: $\"\"$ .

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$\"\"$ \ \

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$\"\"$

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Substitute $\"\"$ and $\"\"$ .

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$\"\"$

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Multiply:

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$\"\"$

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Distributive property: $\"\"$ .

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$\"\"$

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Subtraction: $\"\"$ and $\"\"$ .

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$\"\"$ .

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The simplified expression is $\"\"$ .

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$\"\"$

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$\"\"$ .