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Simplifying (X + 1)(x + -1) = 3 Reorder the terms: (1 + X)(x + -1) = 3 Reorder the terms: (1 + X)(-1 + x) = 3 Multiply (1 + X) * (-1 + x) (1(-1 + x) + X(-1 + x)) = 3 ((-1 * 1 + x * 1) + X(-1 + x)) = 3 ((-1 + 1x) + X(-1 + x)) = 3 (-1 + 1x + (-1 * X + x * X)) = 3 (-1 + 1x + (-1X + xX)) = 3 Reorder the terms: (-1 + -1X + 1x + xX) = 3 (-1 + -1X + 1x + xX) = 3 Solving -1 + -1X + 1x + xX = 3 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '1' to each side of the equation. -1 + -1X + 1x + 1 + xX = 3 + 1 Reorder the terms: -1 + 1 + -1X + 1x + xX = 3 + 1 Combine like terms: -1 + 1 = 0 0 + -1X + 1x + xX = 3 + 1 -1X + 1x + xX = 3 + 1 Combine like terms: 3 + 1 = 4 -1X + 1x + xX = 4 Add '-1x' to each side of the equation. -1X + 1x + -1x + xX = 4 + -1x Combine like terms: 1x + -1x = 0 -1X + 0 + xX = 4 + -1x -1X + xX = 4 + -1x Reorder the terms: -4 + -1X + x + xX = 4 + -1x + -4 + x Reorder the terms: -4 + -1X + x + xX = 4 + -4 + -1x + x Combine like terms: 4 + -4 = 0 -4 + -1X + x + xX = 0 + -1x + x -4 + -1X + x + xX = -1x + x Combine like terms: -1x + x = 0 -4 + -1X + x + xX = 0 The solution to this equation could not be determined.
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