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Simplifying 4z2 + 48 + 20 = 0 Reorder the terms: 48 + 20 + 4z2 = 0 Combine like terms: 48 + 20 = 68 68 + 4z2 = 0 Solving 68 + 4z2 = 0 Solving for variable 'z'. Move all terms containing z to the left, all other terms to the right. Add '-68' to each side of the equation. 68 + -68 + 4z2 = 0 + -68 Combine like terms: 68 + -68 = 0 0 + 4z2 = 0 + -68 4z2 = 0 + -68 Combine like terms: 0 + -68 = -68 4z2 = -68 Divide each side by '4'. z2 = -17 Simplifying z2 = -17 Reorder the terms: 17 + z2 = -17 + 17 Combine like terms: -17 + 17 = 0 17 + z2 = 0 The solution to this equation could not be determined.
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