$\"\"$

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The expression is $\"\"$ .

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Take out common factors in the denominator.

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

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Product of the numerator and denominator.

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Exclude the values for which $\"\"$ , and the denominator cannot equal 0.

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$\"\"$

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Apply addition property of equality: If a = b then $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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Divide each side by 4.

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$\"\"$

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$\"\"$

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$\"\"$

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Then the value of $\"\"$ . $\"\"$

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The solution is $\"\"$ .