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Simplifying X(x + 2) + -7 = 18 Reorder the terms: X(2 + x) + -7 = 18 (2 * X + x * X) + -7 = 18 (2X + xX) + -7 = 18 Reorder the terms: -7 + 2X + xX = 18 Solving -7 + 2X + xX = 18 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 2X + 7 + xX = 18 + 7 Reorder the terms: -7 + 7 + 2X + xX = 18 + 7 Combine like terms: -7 + 7 = 0 0 + 2X + xX = 18 + 7 2X + xX = 18 + 7 Combine like terms: 18 + 7 = 25 2X + xX = 25 Reorder the terms: -25 + 2X + xX = 25 + -25 Combine like terms: 25 + -25 = 0 -25 + 2X + xX = 0 The solution to this equation could not be determined.
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