Answer
$\log_{7} 9+2\log_{7}x-\log_{7} y$
Work Step by Step
Step 1: $\log_{7} \frac{9x^{2}}{y}$
Step 2: $\log_{7} 9x^{2}-\log_{7} y$
Step 3: $\log_{7} 9+\log_{7}x^{2}-\log_{7} y$
Step 4: $\log_{7} 9+2\log_{7}x-\log_{7} y$
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