Answer
$3+5\log_4x$
Work Step by Step
Use the following logarithmic formulas to expand the logarithm:
$\log(A\times B)=\log A+\log B$
$\log x^{n}=n\times\log x$
$\log_4(64x^5)$
$\log_464+\log_4x^5$
$3+5\log_4x$
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