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Simplifying x2 + 1.4x + 1.33 = 0 Reorder the terms: 1.33 + 1.4x + x2 = 0 Solving 1.33 + 1.4x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-1.33' to each side of the equation. 1.33 + 1.4x + -1.33 + x2 = 0 + -1.33 Reorder the terms: 1.33 + -1.33 + 1.4x + x2 = 0 + -1.33 Combine like terms: 1.33 + -1.33 = 0.00 0.00 + 1.4x + x2 = 0 + -1.33 1.4x + x2 = 0 + -1.33 Combine like terms: 0 + -1.33 = -1.33 1.4x + x2 = -1.33 The x term is 1.4x. Take half its coefficient (0.7). Square it (0.49) and add it to both sides. Add '0.49' to each side of the equation. 1.4x + 0.49 + x2 = -1.33 + 0.49 Reorder the terms: 0.49 + 1.4x + x2 = -1.33 + 0.49 Combine like terms: -1.33 + 0.49 = -0.84 0.49 + 1.4x + x2 = -0.84 Factor a perfect square on the left side: (x + 0.7)(x + 0.7) = -0.84 Can't calculate square root of the right side. The solution to this equation could not be determined.
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