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Simplifying 4z4 + -4z3 + 5z2 + -4z + 1 = 0 Reorder the terms: 1 + -4z + 5z2 + -4z3 + 4z4 = 0 Solving 1 + -4z + 5z2 + -4z3 + 4z4 = 0 Solving for variable 'z'. The solution to this equation could not be determined.
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