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Simplifying 11y2 + -7y + 120 = 0 Reorder the terms: 120 + -7y + 11y2 = 0 Solving 120 + -7y + 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'. 10.90909091 + -0.6363636364y + y2 = 0 Move the constant term to the right: Add '-10.90909091' to each side of the equation. 10.90909091 + -0.6363636364y + -10.90909091 + y2 = 0 + -10.90909091 Reorder the terms: 10.90909091 + -10.90909091 + -0.6363636364y + y2 = 0 + -10.90909091 Combine like terms: 10.90909091 + -10.90909091 = 0.00000000 0.00000000 + -0.6363636364y + y2 = 0 + -10.90909091 -0.6363636364y + y2 = 0 + -10.90909091 Combine like terms: 0 + -10.90909091 = -10.90909091 -0.6363636364y + y2 = -10.90909091 The y term is -0.6363636364y. Take half its coefficient (-0.3181818182). Square it (0.1012396694) and add it to both sides. Add '0.1012396694' to each side of the equation. -0.6363636364y + 0.1012396694 + y2 = -10.90909091 + 0.1012396694 Reorder the terms: 0.1012396694 + -0.6363636364y + y2 = -10.90909091 + 0.1012396694 Combine like terms: -10.90909091 + 0.1012396694 = -10.8078512406 0.1012396694 + -0.6363636364y + y2 = -10.8078512406 Factor a perfect square on the left side: (y + -0.3181818182)(y + -0.3181818182) = -10.8078512406 Can't calculate square root of the right side. The solution to this equation could not be determined.
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