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X^3-6x^2+12x-8=27 thnk kiu
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X^3-6x^2+12x-8=27
thnk kiu

User Shoki
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1 Answer

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x^3−6x^2+12x−8=0

⇔x^3−3x^2.2+3.x.2^2−2^3=0

⇔(x−2)^3=0

⇔(x−2)=0

⇔x=2

User Zia Kiyani
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