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Simplifying X2 + 2x2 = 289 Solving X2 + 2x2 = 289 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-2x2' to each side of the equation. X2 + 2x2 + -2x2 = 289 + -2x2 Combine like terms: 2x2 + -2x2 = 0 X2 + 0 = 289 + -2x2 X2 = 289 + -2x2 Simplifying X2 = 289 + -2x2 Reorder the terms: -289 + X2 + 2x2 = 289 + -2x2 + -289 + 2x2 Reorder the terms: -289 + X2 + 2x2 = 289 + -289 + -2x2 + 2x2 Combine like terms: 289 + -289 = 0 -289 + X2 + 2x2 = 0 + -2x2 + 2x2 -289 + X2 + 2x2 = -2x2 + 2x2 Combine like terms: -2x2 + 2x2 = 0 -289 + X2 + 2x2 = 0 The solution to this equation could not be determined.
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