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Simplifying 17r2 + -4r + 10 = 0 Reorder the terms: 10 + -4r + 17r2 = 0 Solving 10 + -4r + 17r2 = 0 Solving for variable 'r'. Begin completing the square. Divide all terms by 17 the coefficient of the squared term: Divide each side by '17'. 0.5882352941 + -0.2352941176r + r2 = 0 Move the constant term to the right: Add '-0.5882352941' to each side of the equation. 0.5882352941 + -0.2352941176r + -0.5882352941 + r2 = 0 + -0.5882352941 Reorder the terms: 0.5882352941 + -0.5882352941 + -0.2352941176r + r2 = 0 + -0.5882352941 Combine like terms: 0.5882352941 + -0.5882352941 = 0.0000000000 0.0000000000 + -0.2352941176r + r2 = 0 + -0.5882352941 -0.2352941176r + r2 = 0 + -0.5882352941 Combine like terms: 0 + -0.5882352941 = -0.5882352941 -0.2352941176r + r2 = -0.5882352941 The r term is -0.2352941176r. Take half its coefficient (-0.1176470588). Square it (0.01384083044) and add it to both sides. Add '0.01384083044' to each side of the equation. -0.2352941176r + 0.01384083044 + r2 = -0.5882352941 + 0.01384083044 Reorder the terms: 0.01384083044 + -0.2352941176r + r2 = -0.5882352941 + 0.01384083044 Combine like terms: -0.5882352941 + 0.01384083044 = -0.57439446366 0.01384083044 + -0.2352941176r + r2 = -0.57439446366 Factor a perfect square on the left side: (r + -0.1176470588)(r + -0.1176470588) = -0.57439446366 Can't calculate square root of the right side. The solution to this equation could not be determined.
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