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Simplifying (X + 3)(x + 4) = -1 Reorder the terms: (3 + X)(x + 4) = -1 Reorder the terms: (3 + X)(4 + x) = -1 Multiply (3 + X) * (4 + x) (3(4 + x) + X(4 + x)) = -1 ((4 * 3 + x * 3) + X(4 + x)) = -1 ((12 + 3x) + X(4 + x)) = -1 (12 + 3x + (4 * X + x * X)) = -1 (12 + 3x + (4X + xX)) = -1 Reorder the terms: (12 + 4X + 3x + xX) = -1 (12 + 4X + 3x + xX) = -1 Solving 12 + 4X + 3x + xX = -1 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + 4X + 3x + -12 + xX = -1 + -12 Reorder the terms: 12 + -12 + 4X + 3x + xX = -1 + -12 Combine like terms: 12 + -12 = 0 0 + 4X + 3x + xX = -1 + -12 4X + 3x + xX = -1 + -12 Combine like terms: -1 + -12 = -13 4X + 3x + xX = -13 Add '-3x' to each side of the equation. 4X + 3x + -3x + xX = -13 + -3x Combine like terms: 3x + -3x = 0 4X + 0 + xX = -13 + -3x 4X + xX = -13 + -3x Reorder the terms: 13 + 4X + 3x + xX = -13 + -3x + 13 + 3x Reorder the terms: 13 + 4X + 3x + xX = -13 + 13 + -3x + 3x Combine like terms: -13 + 13 = 0 13 + 4X + 3x + xX = 0 + -3x + 3x 13 + 4X + 3x + xX = -3x + 3x Combine like terms: -3x + 3x = 0 13 + 4X + 3x + xX = 0 The solution to this equation could not be determined.
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