$\"\"$ $\"\"$

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The expression is $\"\"$ .

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Apply cross product:if $\"\"$ then $\"\"$ .

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$\"\"$

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

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$\"\"$ (Divide each side by 5)

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$\"\"$ (Cancel common terms)

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$\"\"$ (Divide: $\"\"$ )

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$\"\"$

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

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