Пошаговое объяснение:
9x^3-27x^2=0
9x^2(x-3) =0
x^2(x-3)=0
x^2=0 x-3=0
x=0 x=3
x1=0 ; x2=3
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Пошаговое объяснение:
9x^3-27x^2=0
9x^2(x-3) =0
x^2(x-3)=0
x^2=0 x-3=0
x=0 x=3
x1=0 ; x2=3