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Simplifying x4 + -2x3 + -8x2 + 13 + -4 = 0 Reorder the terms: 13 + -4 + -8x2 + -2x3 + x4 = 0 Combine like terms: 13 + -4 = 9 9 + -8x2 + -2x3 + x4 = 0 Solving 9 + -8x2 + -2x3 + x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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