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Simplifying Z2 + 4z + 20 = 0 Reorder the terms: 20 + Z2 + 4z = 0 Solving 20 + Z2 + 4z = 0 Solving for variable 'Z'. Move all terms containing Z to the left, all other terms to the right. Add '-20' to each side of the equation. 20 + Z2 + -20 + 4z = 0 + -20 Reorder the terms: 20 + -20 + Z2 + 4z = 0 + -20 Combine like terms: 20 + -20 = 0 0 + Z2 + 4z = 0 + -20 Z2 + 4z = 0 + -20 Combine like terms: 0 + -20 = -20 Z2 + 4z = -20 Add '-4z' to each side of the equation. Z2 + 4z + -4z = -20 + -4z Combine like terms: 4z + -4z = 0 Z2 + 0 = -20 + -4z Z2 = -20 + -4z Simplifying Z2 = -20 + -4z Reorder the terms: 20 + Z2 + 4z = -20 + -4z + 20 + 4z Reorder the terms: 20 + Z2 + 4z = -20 + 20 + -4z + 4z Combine like terms: -20 + 20 = 0 20 + Z2 + 4z = 0 + -4z + 4z 20 + Z2 + 4z = -4z + 4z Combine like terms: -4z + 4z = 0 20 + Z2 + 4z = 0 The solution to this equation could not be determined.
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