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Simplifying (z + 9)(z + 9)(z + 9) = 0 Reorder the terms: (9 + z)(z + 9)(z + 9) = 0 Reorder the terms: (9 + z)(9 + z)(z + 9) = 0 Reorder the terms: (9 + z)(9 + z)(9 + z) = 0 Multiply (9 + z) * (9 + z) (9(9 + z) + z(9 + z))(9 + z) = 0 ((9 * 9 + z * 9) + z(9 + z))(9 + z) = 0 ((81 + 9z) + z(9 + z))(9 + z) = 0 (81 + 9z + (9 * z + z * z))(9 + z) = 0 (81 + 9z + (9z + z2))(9 + z) = 0 Combine like terms: 9z + 9z = 18z (81 + 18z + z2)(9 + z) = 0 Multiply (81 + 18z + z2) * (9 + z) (81(9 + z) + 18z * (9 + z) + z2(9 + z)) = 0 ((9 * 81 + z * 81) + 18z * (9 + z) + z2(9 + z)) = 0 ((729 + 81z) + 18z * (9 + z) + z2(9 + z)) = 0 (729 + 81z + (9 * 18z + z * 18z) + z2(9 + z)) = 0 (729 + 81z + (162z + 18z2) + z2(9 + z)) = 0 (729 + 81z + 162z + 18z2 + (9 * z2 + z * z2)) = 0 (729 + 81z + 162z + 18z2 + (9z2 + z3)) = 0 Combine like terms: 81z + 162z = 243z (729 + 243z + 18z2 + 9z2 + z3) = 0 Combine like terms: 18z2 + 9z2 = 27z2 (729 + 243z + 27z2 + z3) = 0 Solving 729 + 243z + 27z2 + z3 = 0 Solving for variable 'z'. The solution to this equation could not be determined.
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