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Simplifying 12y2 + 3y + 10 = 0 Reorder the terms: 10 + 3y + 12y2 = 0 Solving 10 + 3y + 12y2 = 0 Solving for variable 'y'. Begin completing the square. Divide all terms by 12 the coefficient of the squared term: Divide each side by '12'. 0.8333333333 + 0.25y + y2 = 0 Move the constant term to the right: Add '-0.8333333333' to each side of the equation. 0.8333333333 + 0.25y + -0.8333333333 + y2 = 0 + -0.8333333333 Reorder the terms: 0.8333333333 + -0.8333333333 + 0.25y + y2 = 0 + -0.8333333333 Combine like terms: 0.8333333333 + -0.8333333333 = 0.0000000000 0.0000000000 + 0.25y + y2 = 0 + -0.8333333333 0.25y + y2 = 0 + -0.8333333333 Combine like terms: 0 + -0.8333333333 = -0.8333333333 0.25y + y2 = -0.8333333333 The y term is 0.25y. Take half its coefficient (0.125). Square it (0.015625) and add it to both sides. Add '0.015625' to each side of the equation. 0.25y + 0.015625 + y2 = -0.8333333333 + 0.015625 Reorder the terms: 0.015625 + 0.25y + y2 = -0.8333333333 + 0.015625 Combine like terms: -0.8333333333 + 0.015625 = -0.8177083333 0.015625 + 0.25y + y2 = -0.8177083333 Factor a perfect square on the left side: (y + 0.125)(y + 0.125) = -0.8177083333 Can't calculate square root of the right side. The solution to this equation could not be determined.
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