$\"\"$

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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 · 9 or 9 and the sum of $\"\"$ .

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The correct factors are $\"\"$ and $\"\"$ .

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

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

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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 (a $\"\"$ )) $\"\"$

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Factors of the numerator $\"\"$ .

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To find two numbers, m and n, with the product of 1·16 or 16 and the sum of 8.

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The correct factors are 4 and 4.

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

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$\"\"$ (Substitute m = 4, and n = 4)

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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 (x + 4)) $\"\"$

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Substitute factors of $\"\"$ and $\"\"$ .

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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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$\"\"$

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$\"\"$

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The simplified expression is $\"\"$ .