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Simplifying x4 + 10x3 + 21x2 + 40x + -100 = 0 Reorder the terms: -100 + 40x + 21x2 + 10x3 + x4 = 0 Solving -100 + 40x + 21x2 + 10x3 + x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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