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Simplifying 1.625x2 + 1 + -2x = 0 Reorder the terms: 1 + -2x + 1.625x2 = 0 Solving 1 + -2x + 1.625x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 1.625 the coefficient of the squared term: Divide each side by '1.625'. 0.6153846154 + -1.230769231x + x2 = 0 Move the constant term to the right: Add '-0.6153846154' to each side of the equation. 0.6153846154 + -1.230769231x + -0.6153846154 + x2 = 0 + -0.6153846154 Reorder the terms: 0.6153846154 + -0.6153846154 + -1.230769231x + x2 = 0 + -0.6153846154 Combine like terms: 0.6153846154 + -0.6153846154 = 0.0000000000 0.0000000000 + -1.230769231x + x2 = 0 + -0.6153846154 -1.230769231x + x2 = 0 + -0.6153846154 Combine like terms: 0 + -0.6153846154 = -0.6153846154 -1.230769231x + x2 = -0.6153846154 The x term is -1.230769231x. Take half its coefficient (-0.6153846155). Square it (0.3786982250) and add it to both sides. Add '0.3786982250' to each side of the equation. -1.230769231x + 0.3786982250 + x2 = -0.6153846154 + 0.3786982250 Reorder the terms: 0.3786982250 + -1.230769231x + x2 = -0.6153846154 + 0.3786982250 Combine like terms: -0.6153846154 + 0.3786982250 = -0.2366863904 0.3786982250 + -1.230769231x + x2 = -0.2366863904 Factor a perfect square on the left side: (x + -0.6153846155)(x + -0.6153846155) = -0.2366863904 Can't calculate square root of the right side. The solution to this equation could not be determined.
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