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Simplifying X(x + 2) + (x + 4) = 84 Reorder the terms: X(2 + x) + (x + 4) = 84 (2 * X + x * X) + (x + 4) = 84 (2X + xX) + (x + 4) = 84 Reorder the terms: 2X + xX + (4 + x) = 84 Remove parenthesis around (4 + x) 2X + xX + 4 + x = 84 Reorder the terms: 4 + 2X + x + xX = 84 Solving 4 + 2X + x + xX = 84 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + 2X + x + -4 + xX = 84 + -4 Reorder the terms: 4 + -4 + 2X + x + xX = 84 + -4 Combine like terms: 4 + -4 = 0 0 + 2X + x + xX = 84 + -4 2X + x + xX = 84 + -4 Combine like terms: 84 + -4 = 80 2X + x + xX = 80 Add '-1x' to each side of the equation. 2X + x + -1x + xX = 80 + -1x Combine like terms: x + -1x = 0 2X + 0 + xX = 80 + -1x 2X + xX = 80 + -1x Reorder the terms: -80 + 2X + x + xX = 80 + -1x + -80 + x Reorder the terms: -80 + 2X + x + xX = 80 + -80 + -1x + x Combine like terms: 80 + -80 = 0 -80 + 2X + x + xX = 0 + -1x + x -80 + 2X + x + xX = -1x + x Combine like terms: -1x + x = 0 -80 + 2X + x + xX = 0 The solution to this equation could not be determined.
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