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Simplifying x2 + (-2x) + 3 = 0 Reorder the terms: 3 + (-2x) + x2 = 0 Solving 3 + (-2x) + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-3' to each side of the equation. 3 + (-2x) + -3 + x2 = 0 + -3 Reorder the terms: 3 + -3 + (-2x) + x2 = 0 + -3 Combine like terms: 3 + -3 = 0 0 + (-2x) + x2 = 0 + -3 (-2x) + x2 = 0 + -3 Combine like terms: 0 + -3 = -3 (-2x) + x2 = -3 The x term is (-2x). Take half its coefficient (-1). Square it (1) and add it to both sides. Add '1' to each side of the equation. (-2x) + 1 + x2 = -3 + 1 Reorder the terms: 1 + (-2x) + x2 = -3 + 1 Combine like terms: -3 + 1 = -2 1 + (-2x) + x2 = -2 Factor a perfect square on the left side: (x + -1)(x + -1) = -2 Can't calculate square root of the right side. The solution to this equation could not be determined.
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