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Simplifying 2z2 = 4z Solving 2z2 = 4z Solving for variable 'z'. Reorder the terms: -4z + 2z2 = 4z + -4z Combine like terms: 4z + -4z = 0 -4z + 2z2 = 0 Factor out the Greatest Common Factor (GCF), '2z'. 2z(-2 + z) = 0 Ignore the factor 2.Subproblem 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 '(-2 + z)' equal to zero and attempt to solve: Simplifying -2 + z = 0 Solving -2 + z = 0 Move all terms containing z to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + z = 0 + 2 Combine like terms: -2 + 2 = 0 0 + z = 0 + 2 z = 0 + 2 Combine like terms: 0 + 2 = 2 z = 2 Simplifying z = 2Solution
z = {0, 2}
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