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Simplifying x2 + x = -2.75 Reorder the terms: x + x2 = -2.75 Solving x + x2 = -2.75 Solving for variable 'x'. Reorder the terms: 2.75 + x + x2 = -2.75 + 2.75 Combine like terms: -2.75 + 2.75 = 0.00 2.75 + x + x2 = 0.00 Begin completing the square. Move the constant term to the right: Add '-2.75' to each side of the equation. 2.75 + x + -2.75 + x2 = 0.00 + -2.75 Reorder the terms: 2.75 + -2.75 + x + x2 = 0.00 + -2.75 Combine like terms: 2.75 + -2.75 = 0.00 0.00 + x + x2 = 0.00 + -2.75 x + x2 = 0.00 + -2.75 Combine like terms: 0.00 + -2.75 = -2.75 x + x2 = -2.75 The x term is x. Take half its coefficient (0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. x + 0.25 + x2 = -2.75 + 0.25 Reorder the terms: 0.25 + x + x2 = -2.75 + 0.25 Combine like terms: -2.75 + 0.25 = -2.5 0.25 + x + x2 = -2.5 Factor a perfect square on the left side: (x + 0.5)(x + 0.5) = -2.5 Can't calculate square root of the right side. The solution to this equation could not be determined.
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