Answer
$=\log x^{4}y^{5}$
Work Step by Step
$\log x + 3 \log xy + 2 \log y$
$= \log x + \log (xy)^{3} + \log y^{2}$
$= \log x + \log x^{3}y^{3} + \log y^{2}$
$=\log xx^{3}y^{3}y^{2}$
$=\log x^{4}y^{5}$
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