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Simplifying 16z2 + -20z = 0 Reorder the terms: -20z + 16z2 = 0 Solving -20z + 16z2 = 0 Solving for variable 'z'. Factor out the Greatest Common Factor (GCF), '4z'. 4z(-5 + 4z) = 0 Ignore the factor 4.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 '(-5 + 4z)' equal to zero and attempt to solve: Simplifying -5 + 4z = 0 Solving -5 + 4z = 0 Move all terms containing z to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + 4z = 0 + 5 Combine like terms: -5 + 5 = 0 0 + 4z = 0 + 5 4z = 0 + 5 Combine like terms: 0 + 5 = 5 4z = 5 Divide each side by '4'. z = 1.25 Simplifying z = 1.25Solution
z = {0, 1.25}
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