$\"\"$

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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 numerator $\"\"$ .

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To find two numbers, a and b, with the product of 2 · 1 or 2 and the sum of 3.

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The correct factors are 2 and 1.

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

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$\"\"$ (Substitute a = 2, and b = 1)

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

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

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

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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The simplified expression is $\"\"$ .