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Simplifying (X + 2)(x + 10) = 900 Reorder the terms: (2 + X)(x + 10) = 900 Reorder the terms: (2 + X)(10 + x) = 900 Multiply (2 + X) * (10 + x) (2(10 + x) + X(10 + x)) = 900 ((10 * 2 + x * 2) + X(10 + x)) = 900 ((20 + 2x) + X(10 + x)) = 900 (20 + 2x + (10 * X + x * X)) = 900 (20 + 2x + (10X + xX)) = 900 Reorder the terms: (20 + 10X + 2x + xX) = 900 (20 + 10X + 2x + xX) = 900 Solving 20 + 10X + 2x + xX = 900 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-20' to each side of the equation. 20 + 10X + 2x + -20 + xX = 900 + -20 Reorder the terms: 20 + -20 + 10X + 2x + xX = 900 + -20 Combine like terms: 20 + -20 = 0 0 + 10X + 2x + xX = 900 + -20 10X + 2x + xX = 900 + -20 Combine like terms: 900 + -20 = 880 10X + 2x + xX = 880 Add '-2x' to each side of the equation. 10X + 2x + -2x + xX = 880 + -2x Combine like terms: 2x + -2x = 0 10X + 0 + xX = 880 + -2x 10X + xX = 880 + -2x Reorder the terms: -880 + 10X + 2x + xX = 880 + -2x + -880 + 2x Reorder the terms: -880 + 10X + 2x + xX = 880 + -880 + -2x + 2x Combine like terms: 880 + -880 = 0 -880 + 10X + 2x + xX = 0 + -2x + 2x -880 + 10X + 2x + xX = -2x + 2x Combine like terms: -2x + 2x = 0 -880 + 10X + 2x + xX = 0 The solution to this equation could not be determined.
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