Respuesta :

x^2 - 6x - 16 = 0
x^2 - 6x  = 16              Divide the -6 by 2 and complete the square:-
(x - 3)^2 - 9 = 16
(x - 3)^2 = 25
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Answer:

^2−6=16

^2−6+9=16+9

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