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Simplifying (x4) + 4(x3) + -1(x2) + 16x + -20 = 0 x4 + 4(x3) + -1(x2) + 16x + -20 = 0 Reorder the terms: -20 + 16x + -1x2 + 4x3 + x4 = 0 Solving -20 + 16x + -1x2 + 4x3 + x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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