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Simplifying 9x4 + -30x3 + 13x2 + 20x + 4 = 0 Reorder the terms: 4 + 20x + 13x2 + -30x3 + 9x4 = 0 Solving 4 + 20x + 13x2 + -30x3 + 9x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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