Question 179511
Solve by completing the square: 
x^2+6x+4=0 
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x^2 + 6x + 9 = -4 + 9
(x+3)^2 = 5
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x+3 = sqrt(5) or x+3 = -sqrt(5)

x = -3+sqrt(5) or x = -3-sqrt(5)
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Cheers,
Stan H.