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Simplifying 2z2 + 72 = 0 Reorder the terms: 72 + 2z2 = 0 Solving 72 + 2z2 = 0 Solving for variable 'z'. Move all terms containing z to the left, all other terms to the right. Add '-72' to each side of the equation. 72 + -72 + 2z2 = 0 + -72 Combine like terms: 72 + -72 = 0 0 + 2z2 = 0 + -72 2z2 = 0 + -72 Combine like terms: 0 + -72 = -72 2z2 = -72 Divide each side by '2'. z2 = -36 Simplifying z2 = -36 Reorder the terms: 36 + z2 = -36 + 36 Combine like terms: -36 + 36 = 0 36 + z2 = 0 The solution to this equation could not be determined.
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