Respuesta :

Answer:

B

Step-by-step explanation:

Given

x² - 6x - 14 = 0 ( add 14 to both sides )

x² - 6x = 14

Using the method of completing the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(- 3)x + 9 = 14 + 9

(x - 3)² = 23 → B

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