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Simplifying (X + -4)(x + -2) = 80 Reorder the terms: (-4 + X)(x + -2) = 80 Reorder the terms: (-4 + X)(-2 + x) = 80 Multiply (-4 + X) * (-2 + x) (-4(-2 + x) + X(-2 + x)) = 80 ((-2 * -4 + x * -4) + X(-2 + x)) = 80 ((8 + -4x) + X(-2 + x)) = 80 (8 + -4x + (-2 * X + x * X)) = 80 (8 + -4x + (-2X + xX)) = 80 Reorder the terms: (8 + -2X + -4x + xX) = 80 (8 + -2X + -4x + xX) = 80 Solving 8 + -2X + -4x + xX = 80 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -2X + -4x + -8 + xX = 80 + -8 Reorder the terms: 8 + -8 + -2X + -4x + xX = 80 + -8 Combine like terms: 8 + -8 = 0 0 + -2X + -4x + xX = 80 + -8 -2X + -4x + xX = 80 + -8 Combine like terms: 80 + -8 = 72 -2X + -4x + xX = 72 Add '4x' to each side of the equation. -2X + -4x + 4x + xX = 72 + 4x Combine like terms: -4x + 4x = 0 -2X + 0 + xX = 72 + 4x -2X + xX = 72 + 4x Reorder the terms: -72 + -2X + -4x + xX = 72 + 4x + -72 + -4x Reorder the terms: -72 + -2X + -4x + xX = 72 + -72 + 4x + -4x Combine like terms: 72 + -72 = 0 -72 + -2X + -4x + xX = 0 + 4x + -4x -72 + -2X + -4x + xX = 4x + -4x Combine like terms: 4x + -4x = 0 -72 + -2X + -4x + xX = 0 The solution to this equation could not be determined.
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