因式分解:27x^2y^2-18x^2y+3x^2

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因式分解:27x^2y^2-18x^2y+3x^2
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因式分解:27x^2y^2-18x^2y+3x^2
因式分解:27x^2y^2-18x^2y+3x^2

因式分解:27x^2y^2-18x^2y+3x^2
27x^2y^2-18x^2y+3x^2=3x^2*(9y^2-6y+1)=3x^(3y-1)^2

27x^2y^2-18x^2y+3x^2
=3x^2*(9y^2-6y+1)
=3X^2(3y-1)^2