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Simplifying z5 + -4z3 + 5z = 0 Reorder the terms: 5z + -4z3 + z5 = 0 Solving 5z + -4z3 + z5 = 0 Solving for variable 'z'. Factor out the Greatest Common Factor (GCF), 'z'. z(5 + -4z2 + z4) = 0Subproblem 1
Set the factor 'z' equal to zero and attempt to solve: Simplifying z = 0 Solving z = 0 Move all terms containing z to the left, all other terms to the right. Simplifying z = 0Subproblem 2
Set the factor '(5 + -4z2 + z4)' equal to zero and attempt to solve: Simplifying 5 + -4z2 + z4 = 0 Solving 5 + -4z2 + z4 = 0 Begin completing the square. Move the constant term to the right: Add '-5' to each side of the equation. 5 + -4z2 + -5 + z4 = 0 + -5 Reorder the terms: 5 + -5 + -4z2 + z4 = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -4z2 + z4 = 0 + -5 -4z2 + z4 = 0 + -5 Combine like terms: 0 + -5 = -5 -4z2 + z4 = -5 The z term is -4z2. Take half its coefficient (-2). Square it (4) and add it to both sides. Add '4' to each side of the equation. -4z2 + 4 + z4 = -5 + 4 Reorder the terms: 4 + -4z2 + z4 = -5 + 4 Combine like terms: -5 + 4 = -1 4 + -4z2 + z4 = -1 Factor a perfect square on the left side: (z2 + -2)(z2 + -2) = -1 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.Solution
z = {0}
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