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The logarithmic equation is $\"\"$ .

Apply product property of logarithms: $\"\"$ .

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$\"\"$ (Exponentiate both sides)

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

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$\"\"$ (Subtract 9 from each side)

$\"\"$ (Factor left side by grouping)

$\"\"$ (Set 1st factor equals 0)

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$\"\"$ (Set 2nd factor equals 0)

$\"\"$ .

Logarithmic functions shoudnot take negative values.

The solution of $\"\"$ .

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The solution of $\"\"$ .