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Simplifying 13y2 + -100y + 240 = 0 Reorder the terms: 240 + -100y + 13y2 = 0 Solving 240 + -100y + 13y2 = 0 Solving for variable 'y'. Begin completing the square. Divide all terms by 13 the coefficient of the squared term: Divide each side by '13'. 18.46153846 + -7.692307692y + y2 = 0 Move the constant term to the right: Add '-18.46153846' to each side of the equation. 18.46153846 + -7.692307692y + -18.46153846 + y2 = 0 + -18.46153846 Reorder the terms: 18.46153846 + -18.46153846 + -7.692307692y + y2 = 0 + -18.46153846 Combine like terms: 18.46153846 + -18.46153846 = 0.00000000 0.00000000 + -7.692307692y + y2 = 0 + -18.46153846 -7.692307692y + y2 = 0 + -18.46153846 Combine like terms: 0 + -18.46153846 = -18.46153846 -7.692307692y + y2 = -18.46153846 The y term is -7.692307692y. Take half its coefficient (-3.846153846). Square it (14.79289941) and add it to both sides. Add '14.79289941' to each side of the equation. -7.692307692y + 14.79289941 + y2 = -18.46153846 + 14.79289941 Reorder the terms: 14.79289941 + -7.692307692y + y2 = -18.46153846 + 14.79289941 Combine like terms: -18.46153846 + 14.79289941 = -3.66863905 14.79289941 + -7.692307692y + y2 = -3.66863905 Factor a perfect square on the left side: (y + -3.846153846)(y + -3.846153846) = -3.66863905 Can't calculate square root of the right side. The solution to this equation could not be determined.
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