$\"\"$

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The equation is $\"\"$ .

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Solve the equation.

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$\"\"$ (Original equation)

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$\"\"$ (Definition of logarithm: $\"\"$ ,then $\"\"$ )

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$\"\"$ (Subtract $\"\"$ from each side)

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

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$\"\"$ (Take square root on each side)

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$\"\"$ (Cancel square and root terms)

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

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$\"\"$ or $\"\"$ (Simplify)

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$\"\"$

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Check solution for $\"\"$ -values.

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Case (i):

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$\"\"$

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$\"\"$ (Original equation)

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

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$\"\"$ (Definition of logarithm: $\"\"$ ,then $\"\"$ )

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

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$\"\"$ (Addition)

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Case (ii):

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$\"\"$

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$\"\"$ (Original equation)

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

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$\"\"$ (Definition of logarithm: $\"\"$ ,then $\"\"$ )

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

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$\"\"$ (Addition)

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The values are $\"\"$ and $\"\"$ .

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$\"\"$

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The values of $\"\"$ are $\"\"$ and $\"\"$ .