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Simplifying X2 + 2x = x2 + -4 Reorder the terms: X2 + 2x = -4 + x2 Solving X2 + 2x = -4 + x2 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-2x' to each side of the equation. X2 + 2x + -2x = -4 + -2x + x2 Combine like terms: 2x + -2x = 0 X2 + 0 = -4 + -2x + x2 X2 = -4 + -2x + x2 Simplifying X2 = -4 + -2x + x2 Reorder the terms: 4 + X2 + 2x + -1x2 = -4 + -2x + x2 + 4 + 2x + -1x2 Reorder the terms: 4 + X2 + 2x + -1x2 = -4 + 4 + -2x + 2x + x2 + -1x2 Combine like terms: -4 + 4 = 0 4 + X2 + 2x + -1x2 = 0 + -2x + 2x + x2 + -1x2 4 + X2 + 2x + -1x2 = -2x + 2x + x2 + -1x2 Combine like terms: -2x + 2x = 0 4 + X2 + 2x + -1x2 = 0 + x2 + -1x2 4 + X2 + 2x + -1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 4 + X2 + 2x + -1x2 = 0 The solution to this equation could not be determined.
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