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Simplifying x4 + -2x2 = c Reorder the terms: -2x2 + x4 = c Solving -2x2 + x4 = c Solving for variable 'x'. Reorder the terms: -1c + -2x2 + x4 = c + -1c Combine like terms: c + -1c = 0 -1c + -2x2 + x4 = 0 The solution to this equation could not be determined.
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