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Simplifying (x + -1 + 7i)(x + -1 + -7i) = 0 Reorder the terms: (-1 + 7i + x)(x + -1 + -7i) = 0 Reorder the terms: (-1 + 7i + x)(-1 + -7i + x) = 0 Multiply (-1 + 7i + x) * (-1 + -7i + x) (-1(-1 + -7i + x) + 7i * (-1 + -7i + x) + x(-1 + -7i + x)) = 0 ((-1 * -1 + -7i * -1 + x * -1) + 7i * (-1 + -7i + x) + x(-1 + -7i + x)) = 0 ((1 + 7i + -1x) + 7i * (-1 + -7i + x) + x(-1 + -7i + x)) = 0 (1 + 7i + -1x + (-1 * 7i + -7i * 7i + x * 7i) + x(-1 + -7i + x)) = 0 Reorder the terms: (1 + 7i + -1x + (-7i + 7ix + -49i2) + x(-1 + -7i + x)) = 0 (1 + 7i + -1x + (-7i + 7ix + -49i2) + x(-1 + -7i + x)) = 0 (1 + 7i + -1x + -7i + 7ix + -49i2 + (-1 * x + -7i * x + x * x)) = 0 Reorder the terms: (1 + 7i + -1x + -7i + 7ix + -49i2 + (-7ix + -1x + x2)) = 0 (1 + 7i + -1x + -7i + 7ix + -49i2 + (-7ix + -1x + x2)) = 0 Reorder the terms: (1 + 7i + -7i + 7ix + -7ix + -49i2 + -1x + -1x + x2) = 0 Combine like terms: 7i + -7i = 0 (1 + 0 + 7ix + -7ix + -49i2 + -1x + -1x + x2) = 0 (1 + 7ix + -7ix + -49i2 + -1x + -1x + x2) = 0 Combine like terms: 7ix + -7ix = 0 (1 + 0 + -49i2 + -1x + -1x + x2) = 0 (1 + -49i2 + -1x + -1x + x2) = 0 Combine like terms: -1x + -1x = -2x (1 + -49i2 + -2x + x2) = 0 Solving 1 + -49i2 + -2x + x2 = 0 Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -49i2 + -2x + -1 + x2 = 0 + -1 Reorder the terms: 1 + -1 + -49i2 + -2x + x2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -49i2 + -2x + x2 = 0 + -1 -49i2 + -2x + x2 = 0 + -1 Combine like terms: 0 + -1 = -1 -49i2 + -2x + x2 = -1 Add '2x' to each side of the equation. -49i2 + -2x + 2x + x2 = -1 + 2x Combine like terms: -2x + 2x = 0 -49i2 + 0 + x2 = -1 + 2x -49i2 + x2 = -1 + 2x Add '-1x2' to each side of the equation. -49i2 + x2 + -1x2 = -1 + 2x + -1x2 Combine like terms: x2 + -1x2 = 0 -49i2 + 0 = -1 + 2x + -1x2 -49i2 = -1 + 2x + -1x2 Divide each side by '-49'. i2 = 0.02040816327 + -0.04081632653x + 0.02040816327x2 Simplifying i2 = 0.02040816327 + -0.04081632653x + 0.02040816327x2 Reorder the terms: -0.02040816327 + i2 + 0.04081632653x + -0.02040816327x2 = 0.02040816327 + -0.04081632653x + 0.02040816327x2 + -0.02040816327 + 0.04081632653x + -0.02040816327x2 Reorder the terms: -0.02040816327 + i2 + 0.04081632653x + -0.02040816327x2 = 0.02040816327 + -0.02040816327 + -0.04081632653x + 0.04081632653x + 0.02040816327x2 + -0.02040816327x2 Combine like terms: 0.02040816327 + -0.02040816327 = 0.00000000000 -0.02040816327 + i2 + 0.04081632653x + -0.02040816327x2 = 0.00000000000 + -0.04081632653x + 0.04081632653x + 0.02040816327x2 + -0.02040816327x2 -0.02040816327 + i2 + 0.04081632653x + -0.02040816327x2 = -0.04081632653x + 0.04081632653x + 0.02040816327x2 + -0.02040816327x2 Combine like terms: -0.04081632653x + 0.04081632653x = 0.00000000000 -0.02040816327 + i2 + 0.04081632653x + -0.02040816327x2 = 0.00000000000 + 0.02040816327x2 + -0.02040816327x2 -0.02040816327 + i2 + 0.04081632653x + -0.02040816327x2 = 0.02040816327x2 + -0.02040816327x2 Combine like terms: 0.02040816327x2 + -0.02040816327x2 = 0.00000000000 -0.02040816327 + i2 + 0.04081632653x + -0.02040816327x2 = 0.00000000000 The solution to this equation could not be determined.
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