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Simplifying 15y2 + -14y + 18 = 0 Reorder the terms: 18 + -14y + 15y2 = 0 Solving 18 + -14y + 15y2 = 0 Solving for variable 'y'. Begin completing the square. Divide all terms by 15 the coefficient of the squared term: Divide each side by '15'. 1.2 + -0.9333333333y + y2 = 0 Move the constant term to the right: Add '-1.2' to each side of the equation. 1.2 + -0.9333333333y + -1.2 + y2 = 0 + -1.2 Reorder the terms: 1.2 + -1.2 + -0.9333333333y + y2 = 0 + -1.2 Combine like terms: 1.2 + -1.2 = 0.0 0.0 + -0.9333333333y + y2 = 0 + -1.2 -0.9333333333y + y2 = 0 + -1.2 Combine like terms: 0 + -1.2 = -1.2 -0.9333333333y + y2 = -1.2 The y term is -0.9333333333y. Take half its coefficient (-0.4666666667). Square it (0.2177777778) and add it to both sides. Add '0.2177777778' to each side of the equation. -0.9333333333y + 0.2177777778 + y2 = -1.2 + 0.2177777778 Reorder the terms: 0.2177777778 + -0.9333333333y + y2 = -1.2 + 0.2177777778 Combine like terms: -1.2 + 0.2177777778 = -0.9822222222 0.2177777778 + -0.9333333333y + y2 = -0.9822222222 Factor a perfect square on the left side: (y + -0.4666666667)(y + -0.4666666667) = -0.9822222222 Can't calculate square root of the right side. The solution to this equation could not be determined.
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