Answer
5y(y-6)(y-4)
Work Step by Step
5$y^{3}$-50$y^{2}$+120y=5y($y^{2}$-10$y^{}$+24)=
5y($y^{2}$-4$y^{}$-6y+24)=5y[y(y-4)-6(y-4)]=5y(y-6)(y-4)
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