| Degree | Real zeros | Complex zeros |
| 1 | -9 | — |
| 2 | -13.79583, -4.20417 | — |
| 3 | -17.50929, -8.57862, -0.91208 | — |
| 4 | -21.37817, 2.60420 | , |
| 5 | -25.2312, -10.1799, 6.23115 | , |
| 6 | -29.0774, 9.91421 | , -, , |
| 7 | -32.918, -12.0177, 13.6309 | , , , |
| 8 | -36.7547, -12.8049, -11.0126, 17.3697 | , -, , -, |
| 9 | -40.5884, -14.3645, 21.1239 | , -, , -, , - |
| 10 | -44.4198, -15.6243, -11.5504, 4.8894 | , -, -, -, , |
| 11 | -48.24939, -16.94854, 28.66337 | , , , , , , , |
| 12 | -52.0776, -18.24958, -12.42031, 32.444 | i, , , , , , , |
| 13 | -55.90467, -19.5518, 36.22987 | , , , , , , , , , |
| 14 | -59.7308, -20.84998, -13.40199, 40.0199 | , , , , , , , , , |
| 15 | -63.55622, -22.14583, 43.81356 | , , , , , , , | , -, | , |
| 16 | -67.381, -23.4394, -14.4645, 47.61 | , , , , , , , , , , , |
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