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19-02-2019
Mathematics

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x²-6x+9 A. (x − 3)(x − 3) B. (x + 3)(x + 3) C. 3(x² − 2x + 3) D. (x − 3)(x + 3)

Respuesta :

19-02-2019

A. (x-3) (x-3)

[tex]step \: by \: step \: explanation[/tex]

[tex] = x ^{2} - 6x + 9 \\ = (x) ^{2} - 2.x.3 + 3 ^{2} \\ = (x - 3) ^{2} \\ = (x - 3)(x - 3)[/tex]

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