Answer
$$\log _7\left(48\right)+3\log _7\left(x\right)$$
Work Step by Step
Simplifying the expression using the rules of logarithms, we find:
$$\log _7\left(48\right)+\log _7\left(x^3\right) \\ \log _7\left(48\right)+3\log _7\left(x\right)$$
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