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Simplifying 6y(6y) + -1y + 9 = 0 Remove parenthesis around (6y) 6y * 6y + -1y + 9 = 0 Reorder the terms for easier multiplication: 6 * 6y * y + -1y + 9 = 0 Multiply 6 * 6 36y * y + -1y + 9 = 0 Multiply y * y 36y2 + -1y + 9 = 0 Reorder the terms: 9 + -1y + 36y2 = 0 Solving 9 + -1y + 36y2 = 0 Solving for variable 'y'. Begin completing the square. Divide all terms by 36 the coefficient of the squared term: Divide each side by '36'. 0.25 + -0.02777777778y + y2 = 0 Move the constant term to the right: Add '-0.25' to each side of the equation. 0.25 + -0.02777777778y + -0.25 + y2 = 0 + -0.25 Reorder the terms: 0.25 + -0.25 + -0.02777777778y + y2 = 0 + -0.25 Combine like terms: 0.25 + -0.25 = 0.00 0.00 + -0.02777777778y + y2 = 0 + -0.25 -0.02777777778y + y2 = 0 + -0.25 Combine like terms: 0 + -0.25 = -0.25 -0.02777777778y + y2 = -0.25 The y term is -0.02777777778y. Take half its coefficient (-0.01388888889). Square it (0.0001929012346) and add it to both sides. Add '0.0001929012346' to each side of the equation. -0.02777777778y + 0.0001929012346 + y2 = -0.25 + 0.0001929012346 Reorder the terms: 0.0001929012346 + -0.02777777778y + y2 = -0.25 + 0.0001929012346 Combine like terms: -0.25 + 0.0001929012346 = -0.2498070987654 0.0001929012346 + -0.02777777778y + y2 = -0.2498070987654 Factor a perfect square on the left side: (y + -0.01388888889)(y + -0.01388888889) = -0.2498070987654 Can't calculate square root of the right side. The solution to this equation could not be determined.
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