El profesor se sorprenderá mucho al ver tu solución correcta😉
x1 = -2.68749850829469 + 1.48623806814679*i
x2 = -0.824799356661996
x3 = -3.5910820979051
x4 = -3.50435912852424 - 0.735400084753315*i
x5 = -2.68749850829469 - 1.48623806814679*i
x5 = -2.68749850829469 - 1.48623806814679*i