Verify Answer on Completing the Square

G

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x^2 + 6x +4 = 0

x^2 + 6x = 0 - 4

x^2 + 6x + (3)^2 = -4 + (3)^2

x^2 + 6x + 9 = 5

(x+3)^2 = 5

x+3 = +/- SQRT 5

x = -3 +/- SQRT 5
 
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