You can put this solution on YOUR website! y^2+6y+34=0 solve by "completing the square"
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y^2+6y + ? = -34 + ?
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y^2+6y+9 = -34+9
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(y+3)^2 = -25
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y + 3 = 5i or y+3 = -5i
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y = -3+5i or y = -3-5i
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cheers,
stan H.