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Simplifying 11y2 + 9y + 10 = 0 Reorder the terms: 10 + 9y + 11y2 = 0 Solving 10 + 9y + 11y2 = 0 Solving for variable 'y'. Begin completing the square. Divide all terms by 11 the coefficient of the squared term: Divide each side by '11'. 0.9090909091 + 0.8181818182y + y2 = 0 Move the constant term to the right: Add '-0.9090909091' to each side of the equation. 0.9090909091 + 0.8181818182y + -0.9090909091 + y2 = 0 + -0.9090909091 Reorder the terms: 0.9090909091 + -0.9090909091 + 0.8181818182y + y2 = 0 + -0.9090909091 Combine like terms: 0.9090909091 + -0.9090909091 = 0.0000000000 0.0000000000 + 0.8181818182y + y2 = 0 + -0.9090909091 0.8181818182y + y2 = 0 + -0.9090909091 Combine like terms: 0 + -0.9090909091 = -0.9090909091 0.8181818182y + y2 = -0.9090909091 The y term is 0.8181818182y. Take half its coefficient (0.4090909091). Square it (0.1673553719) and add it to both sides. Add '0.1673553719' to each side of the equation. 0.8181818182y + 0.1673553719 + y2 = -0.9090909091 + 0.1673553719 Reorder the terms: 0.1673553719 + 0.8181818182y + y2 = -0.9090909091 + 0.1673553719 Combine like terms: -0.9090909091 + 0.1673553719 = -0.7417355372 0.1673553719 + 0.8181818182y + y2 = -0.7417355372 Factor a perfect square on the left side: (y + 0.4090909091)(y + 0.4090909091) = -0.7417355372 Can't calculate square root of the right side. The solution to this equation could not be determined.
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