$\"\"$

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The equation is $\"\"$ .

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Rewrite in standard form equation is $\"\"$ ,

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$\"\"$ (Add 2 to each side)

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$\"\"$ (Apply additive inverse property: $\"\"$ )

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The standard form equation is $\"\"$ ,

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compare the above two equations $\"\"$ . $\"\"$

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Find the Discriminant:

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$\"\"$ $\"\"$ (Substitute $\"\"$ )

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$\"\"$ (Evaluate powers: $\"\"$ )

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$\"\"$ (Multiply: $\"\"$ )

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$\"\"$ (Multiply: $\"\"$ )

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$\"\"$ (Apply additive inverse property: $\"\"$ )

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The discriminant is zero, the equation has only one real solution. $\"\"$

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The discriminant is zero, the equation has only one real solution.