$\"\"$

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The equation is $\"\"$ .

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Factor the perfect square trinomial.

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$\"\"$

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Take square root on each side.

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$\"\"$

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$\"\"$

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$\"\"$

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Subtract 2 from each side.

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$\"\"$

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$\"\"$

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Write as two equations.

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$\"\"$

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

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The solution set is $\"\"$ .