Respuesta :

Answer:

1. x² - 6x + 9 = 55 + 9

x²-6x+9 = 64

2. (x-3)² = 64

x- 3 =+-8

x= 3+8 or 3 -8

x = 11 or 5

Answer:

[tex](x-3)^{2} =64x = 3 +/-8[/tex]