Respuesta :

ishu14

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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