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Simplifying (X + -3)(x + 3) = 9 Reorder the terms: (-3 + X)(x + 3) = 9 Reorder the terms: (-3 + X)(3 + x) = 9 Multiply (-3 + X) * (3 + x) (-3(3 + x) + X(3 + x)) = 9 ((3 * -3 + x * -3) + X(3 + x)) = 9 ((-9 + -3x) + X(3 + x)) = 9 (-9 + -3x + (3 * X + x * X)) = 9 (-9 + -3x + (3X + xX)) = 9 Reorder the terms: (-9 + 3X + -3x + xX) = 9 (-9 + 3X + -3x + xX) = 9 Solving -9 + 3X + -3x + xX = 9 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 = 9 + 9 Reorder the terms: -9 + 9 + 3X + -3x + xX = 9 + 9 Combine like terms: -9 + 9 = 0 0 + 3X + -3x + xX = 9 + 9 3X + -3x + xX = 9 + 9 Combine like terms: 9 + 9 = 18 3X + -3x + xX = 18 Add '3x' to each side of the equation. 3X + -3x + 3x + xX = 18 + 3x Combine like terms: -3x + 3x = 0 3X + 0 + xX = 18 + 3x 3X + xX = 18 + 3x Reorder the terms: -18 + 3X + -3x + xX = 18 + 3x + -18 + -3x Reorder the terms: -18 + 3X + -3x + xX = 18 + -18 + 3x + -3x Combine like terms: 18 + -18 = 0 -18 + 3X + -3x + xX = 0 + 3x + -3x -18 + 3X + -3x + xX = 3x + -3x Combine like terms: 3x + -3x = 0 -18 + 3X + -3x + xX = 0 The solution to this equation could not be determined.
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