$\"\"$

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The expression is $\"\"$ .

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Multiply by $\"\"$ , the reciprocal of $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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Factors of the denomianor $\"\"$ .

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To find two numbers, m and n, with the product of 1 · 4 or 4 and the sum of 4.

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The correct factors are 2 and 2.

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$\"\"$ (Write the factors form)

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$\"\"$ (Substitute m = 2, and n = 2)

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$\"\"$ (Group terms with common factors)pro

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$\"\"$ (Factor the GCF from each grouping terms)

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$\"\"$ (Take out common factor (k + 2)) $\"\"$ Substitute factors of $\"\"$ .

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$\"\"$

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$\"\"$ (Take out common factors)

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$\"\"$

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$\"\"$

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$\"\"$

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The simplified expression is $\"\"$ .