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Simplifying 6y2 + 10y + 9 = 0 Reorder the terms: 9 + 10y + 6y2 = 0 Solving 9 + 10y + 6y2 = 0 Solving for variable 'y'. Begin completing the square. Divide all terms by 6 the coefficient of the squared term: Divide each side by '6'. 1.5 + 1.666666667y + y2 = 0 Move the constant term to the right: Add '-1.5' to each side of the equation. 1.5 + 1.666666667y + -1.5 + y2 = 0 + -1.5 Reorder the terms: 1.5 + -1.5 + 1.666666667y + y2 = 0 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + 1.666666667y + y2 = 0 + -1.5 1.666666667y + y2 = 0 + -1.5 Combine like terms: 0 + -1.5 = -1.5 1.666666667y + y2 = -1.5 The y term is 1.666666667y. Take half its coefficient (0.8333333335). Square it (0.6944444447) and add it to both sides. Add '0.6944444447' to each side of the equation. 1.666666667y + 0.6944444447 + y2 = -1.5 + 0.6944444447 Reorder the terms: 0.6944444447 + 1.666666667y + y2 = -1.5 + 0.6944444447 Combine like terms: -1.5 + 0.6944444447 = -0.8055555553 0.6944444447 + 1.666666667y + y2 = -0.8055555553 Factor a perfect square on the left side: (y + 0.8333333335)(y + 0.8333333335) = -0.8055555553 Can't calculate square root of the right side. The solution to this equation could not be determined.
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