Answer
3x(x-9)(x-1)
Work Step by Step
3$x^{3}$-30$x^{2}$+27x=3x($x^{2}$-10$x^{}$+9)=
3x($x^{2}$-1x-9x+9)=3x[x(x-1)-9(x-1)]=
3x(x-9)(x-1)
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