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Simplifying x2 + -0.730x + 0.64 = 0 Reorder the terms: 0.64 + -0.730x + x2 = 0 Solving 0.64 + -0.730x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-0.64' to each side of the equation. 0.64 + -0.730x + -0.64 + x2 = 0 + -0.64 Reorder the terms: 0.64 + -0.64 + -0.730x + x2 = 0 + -0.64 Combine like terms: 0.64 + -0.64 = 0.00 0.00 + -0.730x + x2 = 0 + -0.64 -0.730x + x2 = 0 + -0.64 Combine like terms: 0 + -0.64 = -0.64 -0.730x + x2 = -0.64 The x term is -0.730x. Take half its coefficient (-0.365). Square it (0.133225) and add it to both sides. Add '0.133225' to each side of the equation. -0.730x + 0.133225 + x2 = -0.64 + 0.133225 Reorder the terms: 0.133225 + -0.730x + x2 = -0.64 + 0.133225 Combine like terms: -0.64 + 0.133225 = -0.506775 0.133225 + -0.730x + x2 = -0.506775 Factor a perfect square on the left side: (x + -0.365)(x + -0.365) = -0.506775 Can't calculate square root of the right side. The solution to this equation could not be determined.
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