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Simplifying (X + 3)(x + 3) = 144 Reorder the terms: (3 + X)(x + 3) = 144 Reorder the terms: (3 + X)(3 + x) = 144 Multiply (3 + X) * (3 + x) (3(3 + x) + X(3 + x)) = 144 ((3 * 3 + x * 3) + X(3 + x)) = 144 ((9 + 3x) + X(3 + x)) = 144 (9 + 3x + (3 * X + x * X)) = 144 (9 + 3x + (3X + xX)) = 144 Reorder the terms: (9 + 3X + 3x + xX) = 144 (9 + 3X + 3x + xX) = 144 Solving 9 + 3X + 3x + xX = 144 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + 3X + 3x + -9 + xX = 144 + -9 Reorder the terms: 9 + -9 + 3X + 3x + xX = 144 + -9 Combine like terms: 9 + -9 = 0 0 + 3X + 3x + xX = 144 + -9 3X + 3x + xX = 144 + -9 Combine like terms: 144 + -9 = 135 3X + 3x + xX = 135 Add '-3x' to each side of the equation. 3X + 3x + -3x + xX = 135 + -3x Combine like terms: 3x + -3x = 0 3X + 0 + xX = 135 + -3x 3X + xX = 135 + -3x Reorder the terms: -135 + 3X + 3x + xX = 135 + -3x + -135 + 3x Reorder the terms: -135 + 3X + 3x + xX = 135 + -135 + -3x + 3x Combine like terms: 135 + -135 = 0 -135 + 3X + 3x + xX = 0 + -3x + 3x -135 + 3X + 3x + xX = -3x + 3x Combine like terms: -3x + 3x = 0 -135 + 3X + 3x + xX = 0 The solution to this equation could not be determined.
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