asiasmith1449 asiasmith1449

10-06-2019
Mathematics

contestada

what equation shows x^2+6x-6=0 rewritten by completing the sqaure

Respuesta :

jimrgrant1 jimrgrant1

10-06-2019

Answer:

(x + 3)² = 15

Step-by-step explanation:

Given

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

x² + 6x = 6

To complete the square

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

x² + 2(3)x + 9 = 6 + 9

(x + 3)² = 15

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