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Simplifying (X + -2)(x + -2) = 81 Reorder the terms: (-2 + X)(x + -2) = 81 Reorder the terms: (-2 + X)(-2 + x) = 81 Multiply (-2 + X) * (-2 + x) (-2(-2 + x) + X(-2 + x)) = 81 ((-2 * -2 + x * -2) + X(-2 + x)) = 81 ((4 + -2x) + X(-2 + x)) = 81 (4 + -2x + (-2 * X + x * X)) = 81 (4 + -2x + (-2X + xX)) = 81 Reorder the terms: (4 + -2X + -2x + xX) = 81 (4 + -2X + -2x + xX) = 81 Solving 4 + -2X + -2x + xX = 81 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -2X + -2x + -4 + xX = 81 + -4 Reorder the terms: 4 + -4 + -2X + -2x + xX = 81 + -4 Combine like terms: 4 + -4 = 0 0 + -2X + -2x + xX = 81 + -4 -2X + -2x + xX = 81 + -4 Combine like terms: 81 + -4 = 77 -2X + -2x + xX = 77 Add '2x' to each side of the equation. -2X + -2x + 2x + xX = 77 + 2x Combine like terms: -2x + 2x = 0 -2X + 0 + xX = 77 + 2x -2X + xX = 77 + 2x Reorder the terms: -77 + -2X + -2x + xX = 77 + 2x + -77 + -2x Reorder the terms: -77 + -2X + -2x + xX = 77 + -77 + 2x + -2x Combine like terms: 77 + -77 = 0 -77 + -2X + -2x + xX = 0 + 2x + -2x -77 + -2X + -2x + xX = 2x + -2x Combine like terms: 2x + -2x = 0 -77 + -2X + -2x + xX = 0 The solution to this equation could not be determined.
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