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Simplifying x4 + -2.8x3 + 1.97x2 = 0 Reorder the terms: 1.97x2 + -2.8x3 + x4 = 0 Solving 1.97x2 + -2.8x3 + x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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