Respuesta :

Answer:

x = 3

Steps:

[tex] - ( {x}^{2} - 6x + 9) = 0[/tex]

[tex] - {(x - 3)}^{2} = 0[/tex]

[tex] {(x - 3)}^{2} = 0[/tex]

[tex]x - 3 = 0[/tex]

There you go!