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Simplifying (X + 4)(x + 3) + -12 = 120 Reorder the terms: (4 + X)(x + 3) + -12 = 120 Reorder the terms: (4 + X)(3 + x) + -12 = 120 Multiply (4 + X) * (3 + x) (4(3 + x) + X(3 + x)) + -12 = 120 ((3 * 4 + x * 4) + X(3 + x)) + -12 = 120 ((12 + 4x) + X(3 + x)) + -12 = 120 (12 + 4x + (3 * X + x * X)) + -12 = 120 (12 + 4x + (3X + xX)) + -12 = 120 Reorder the terms: (12 + 3X + 4x + xX) + -12 = 120 (12 + 3X + 4x + xX) + -12 = 120 Reorder the terms: 12 + -12 + 3X + 4x + xX = 120 Combine like terms: 12 + -12 = 0 0 + 3X + 4x + xX = 120 3X + 4x + xX = 120 Solving 3X + 4x + xX = 120 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-4x' to each side of the equation. 3X + 4x + -4x + xX = 120 + -4x Combine like terms: 4x + -4x = 0 3X + 0 + xX = 120 + -4x 3X + xX = 120 + -4x Reorder the terms: -120 + 3X + 4x + xX = 120 + -4x + -120 + 4x Reorder the terms: -120 + 3X + 4x + xX = 120 + -120 + -4x + 4x Combine like terms: 120 + -120 = 0 -120 + 3X + 4x + xX = 0 + -4x + 4x -120 + 3X + 4x + xX = -4x + 4x Combine like terms: -4x + 4x = 0 -120 + 3X + 4x + xX = 0 The solution to this equation could not be determined.
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