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Simplifying (X + 3)(x + -9) = 28 Reorder the terms: (3 + X)(x + -9) = 28 Reorder the terms: (3 + X)(-9 + x) = 28 Multiply (3 + X) * (-9 + x) (3(-9 + x) + X(-9 + x)) = 28 ((-9 * 3 + x * 3) + X(-9 + x)) = 28 ((-27 + 3x) + X(-9 + x)) = 28 (-27 + 3x + (-9 * X + x * X)) = 28 (-27 + 3x + (-9X + xX)) = 28 Reorder the terms: (-27 + -9X + 3x + xX) = 28 (-27 + -9X + 3x + xX) = 28 Solving -27 + -9X + 3x + xX = 28 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '27' to each side of the equation. -27 + -9X + 3x + 27 + xX = 28 + 27 Reorder the terms: -27 + 27 + -9X + 3x + xX = 28 + 27 Combine like terms: -27 + 27 = 0 0 + -9X + 3x + xX = 28 + 27 -9X + 3x + xX = 28 + 27 Combine like terms: 28 + 27 = 55 -9X + 3x + xX = 55 Add '-3x' to each side of the equation. -9X + 3x + -3x + xX = 55 + -3x Combine like terms: 3x + -3x = 0 -9X + 0 + xX = 55 + -3x -9X + xX = 55 + -3x Reorder the terms: -55 + -9X + 3x + xX = 55 + -3x + -55 + 3x Reorder the terms: -55 + -9X + 3x + xX = 55 + -55 + -3x + 3x Combine like terms: 55 + -55 = 0 -55 + -9X + 3x + xX = 0 + -3x + 3x -55 + -9X + 3x + xX = -3x + 3x Combine like terms: -3x + 3x = 0 -55 + -9X + 3x + xX = 0 The solution to this equation could not be determined.
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