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Simplifying 31y2 + -3.709y + 3.48387 = 0 Reorder the terms: 3.48387 + -3.709y + 31y2 = 0 Solving 3.48387 + -3.709y + 31y2 = 0 Solving for variable 'y'. Begin completing the square. Divide all terms by 31 the coefficient of the squared term: Divide each side by '31'. 0.1123829032 + -0.1196451613y + y2 = 0 Move the constant term to the right: Add '-0.1123829032' to each side of the equation. 0.1123829032 + -0.1196451613y + -0.1123829032 + y2 = 0 + -0.1123829032 Reorder the terms: 0.1123829032 + -0.1123829032 + -0.1196451613y + y2 = 0 + -0.1123829032 Combine like terms: 0.1123829032 + -0.1123829032 = 0.0000000000 0.0000000000 + -0.1196451613y + y2 = 0 + -0.1123829032 -0.1196451613y + y2 = 0 + -0.1123829032 Combine like terms: 0 + -0.1123829032 = -0.1123829032 -0.1196451613y + y2 = -0.1123829032 The y term is -0.1196451613y. Take half its coefficient (-0.05982258065). Square it (0.003578741156) and add it to both sides. Add '0.003578741156' to each side of the equation. -0.1196451613y + 0.003578741156 + y2 = -0.1123829032 + 0.003578741156 Reorder the terms: 0.003578741156 + -0.1196451613y + y2 = -0.1123829032 + 0.003578741156 Combine like terms: -0.1123829032 + 0.003578741156 = -0.108804162044 0.003578741156 + -0.1196451613y + y2 = -0.108804162044 Factor a perfect square on the left side: (y + -0.05982258065)(y + -0.05982258065) = -0.108804162044 Can't calculate square root of the right side. The solution to this equation could not be determined.
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