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Simplifying 6x3 + -13x2 + -21x + 18 = 0 Reorder the terms: 18 + -21x + -13x2 + 6x3 = 0 Solving 18 + -21x + -13x2 + 6x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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