$\"\"$

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The equation is $\"\"$ .

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Rewrite the equation $\"\"$ .

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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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Add $\"\"$ to each side.

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Check:

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To check the solution substitute $\"\"$ in $\"\"$ .

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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 solution $\"\"$ is true. $\"\"$

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The values of $\"\"$ .