TonjaHamai TonjaHamai

12-08-2015
Mathematics

contestada

Factor completely. 3x3 – 27x A. 3x(x – 3)(x + 3) B. 3(x + 3)(x – 3) C. 3x(x – 9) D. 3x(x – 3)(x – 3)

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Benjamin16 Benjamin16

12-08-2015

[tex]3x^{3}-27x=3x(x^{2}-9)=3x(x-3)(x+3)[/tex]

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