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Simplifying x2 + -1.157x + 0.77 = 0 Reorder the terms: 0.77 + -1.157x + x2 = 0 Solving 0.77 + -1.157x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-0.77' to each side of the equation. 0.77 + -1.157x + -0.77 + x2 = 0 + -0.77 Reorder the terms: 0.77 + -0.77 + -1.157x + x2 = 0 + -0.77 Combine like terms: 0.77 + -0.77 = 0.00 0.00 + -1.157x + x2 = 0 + -0.77 -1.157x + x2 = 0 + -0.77 Combine like terms: 0 + -0.77 = -0.77 -1.157x + x2 = -0.77 The x term is -1.157x. Take half its coefficient (-0.5785). Square it (0.33466225) and add it to both sides. Add '0.33466225' to each side of the equation. -1.157x + 0.33466225 + x2 = -0.77 + 0.33466225 Reorder the terms: 0.33466225 + -1.157x + x2 = -0.77 + 0.33466225 Combine like terms: -0.77 + 0.33466225 = -0.43533775 0.33466225 + -1.157x + x2 = -0.43533775 Factor a perfect square on the left side: (x + -0.5785)(x + -0.5785) = -0.43533775 Can't calculate square root of the right side. The solution to this equation could not be determined.
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