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Simplifying 2x3 + 7x2 + -8x + -21 = 0 Reorder the terms: -21 + -8x + 7x2 + 2x3 = 0 Solving -21 + -8x + 7x2 + 2x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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