tiff721432 tiff721432

10-08-2019
Mathematics

contestada

solve by completing the square x^2+6x=3

Respuesta :

helinwang helinwang

10-08-2019

Answer:

x=-2√3 -3, 2√3 -3

Step-by-step explanation:

x^2+6x=3

x^2+6x+9=3+9

(x+3)^2=12

x+3=±√12

1). x+3=√12

x+3=2√3

x=2√3 -3

2). x+3=-√12

x=-2√3 -3

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