El profesor se sorprenderá mucho al ver tu solución correcta😉
x1 = 2.0
x2 = -2.0
x3 = 2.0 - 2.29350300055246e-18*i
x4 = 2.00000000000003 - 6.2217240050904e-15*i
x5 = 2.00000000000007 + 6.56205476475644e-14*i
x6 = 2.0 - 2.69606000140517e-15*i
x6 = 2.0 - 2.69606000140517e-15*i