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Simplifying x2 + 2ix + 3 = 0 Reorder the terms: 3 + 2ix + x2 = 0 Solving 3 + 2ix + x2 = 0 Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + 2ix + -3 + x2 = 0 + -3 Reorder the terms: 3 + -3 + 2ix + x2 = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 2ix + x2 = 0 + -3 2ix + x2 = 0 + -3 Combine like terms: 0 + -3 = -3 2ix + x2 = -3 Add '-1x2' to each side of the equation. 2ix + x2 + -1x2 = -3 + -1x2 Combine like terms: x2 + -1x2 = 0 2ix + 0 = -3 + -1x2 2ix = -3 + -1x2 Divide each side by '2x'. i = -1.5x-1 + -0.5x Simplifying i = -1.5x-1 + -0.5x
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