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Simplifying 21z2 + -22z = 0 Reorder the terms: -22z + 21z2 = 0 Solving -22z + 21z2 = 0 Solving for variable 'z'. Factor out the Greatest Common Factor (GCF), 'z'. z(-22 + 21z) = 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 '(-22 + 21z)' equal to zero and attempt to solve: Simplifying -22 + 21z = 0 Solving -22 + 21z = 0 Move all terms containing z to the left, all other terms to the right. Add '22' to each side of the equation. -22 + 22 + 21z = 0 + 22 Combine like terms: -22 + 22 = 0 0 + 21z = 0 + 22 21z = 0 + 22 Combine like terms: 0 + 22 = 22 21z = 22 Divide each side by '21'. z = 1.047619048 Simplifying z = 1.047619048Solution
z = {0, 1.047619048}
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