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Simplifying (x + 3)(X + 3) = 180 Reorder the terms: (3 + x)(X + 3) = 180 Reorder the terms: (3 + x)(3 + X) = 180 Multiply (3 + x) * (3 + X) (3(3 + X) + x(3 + X)) = 180 ((3 * 3 + X * 3) + x(3 + X)) = 180 ((9 + 3X) + x(3 + X)) = 180 (9 + 3X + (3 * x + X * x)) = 180 (9 + 3X + (3x + xX)) = 180 (9 + 3X + 3x + xX) = 180 Solving 9 + 3X + 3x + xX = 180 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 = 180 + -9 Reorder the terms: 9 + -9 + 3X + 3x + xX = 180 + -9 Combine like terms: 9 + -9 = 0 0 + 3X + 3x + xX = 180 + -9 3X + 3x + xX = 180 + -9 Combine like terms: 180 + -9 = 171 3X + 3x + xX = 171 Add '-3x' to each side of the equation. 3X + 3x + -3x + xX = 171 + -3x Combine like terms: 3x + -3x = 0 3X + 0 + xX = 171 + -3x 3X + xX = 171 + -3x Reorder the terms: -171 + 3X + 3x + xX = 171 + -3x + -171 + 3x Reorder the terms: -171 + 3X + 3x + xX = 171 + -171 + -3x + 3x Combine like terms: 171 + -171 = 0 -171 + 3X + 3x + xX = 0 + -3x + 3x -171 + 3X + 3x + xX = -3x + 3x Combine like terms: -3x + 3x = 0 -171 + 3X + 3x + xX = 0 The solution to this equation could not be determined.
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