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Simplifying 15y2 + -16y + 19 = 0 Reorder the terms: 19 + -16y + 15y2 = 0 Solving 19 + -16y + 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'. 1.266666667 + -1.066666667y + y2 = 0 Move the constant term to the right: Add '-1.266666667' to each side of the equation. 1.266666667 + -1.066666667y + -1.266666667 + y2 = 0 + -1.266666667 Reorder the terms: 1.266666667 + -1.266666667 + -1.066666667y + y2 = 0 + -1.266666667 Combine like terms: 1.266666667 + -1.266666667 = 0.000000000 0.000000000 + -1.066666667y + y2 = 0 + -1.266666667 -1.066666667y + y2 = 0 + -1.266666667 Combine like terms: 0 + -1.266666667 = -1.266666667 -1.066666667y + y2 = -1.266666667 The y term is -1.066666667y. Take half its coefficient (-0.5333333335). Square it (0.2844444446) and add it to both sides. Add '0.2844444446' to each side of the equation. -1.066666667y + 0.2844444446 + y2 = -1.266666667 + 0.2844444446 Reorder the terms: 0.2844444446 + -1.066666667y + y2 = -1.266666667 + 0.2844444446 Combine like terms: -1.266666667 + 0.2844444446 = -0.9822222224 0.2844444446 + -1.066666667y + y2 = -0.9822222224 Factor a perfect square on the left side: (y + -0.5333333335)(y + -0.5333333335) = -0.9822222224 Can't calculate square root of the right side. The solution to this equation could not be determined.
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