El profesor se sorprenderá mucho al ver tu solución correcta😉
5 4 3 2 2*x + 2*x + x + x + 5*x + 2 = 0
x1 = -0.428720127173388
x2 = -0.99345798851234 - 0.830474981782981*I
x3 = -0.99345798851234 + 0.830474981782981*I
x4 = 0.707818052099034 - 0.943491890887567*I
x5 = 0.707818052099034 + 0.943491890887567*I
x5 = 0.707818052099034 + 0.943491890887567*i
suma
-0.428720127173388 + -0.99345798851234 - 0.830474981782981*I + -0.99345798851234 + 0.830474981782981*I + 0.707818052099034 - 0.943491890887567*I + 0.707818052099034 + 0.943491890887567*I
=
-1.00000000000000
producto
-0.428720127173388*(-0.99345798851234 - 0.830474981782981*I)*(-0.99345798851234 + 0.830474981782981*I)*(0.707818052099034 - 0.943491890887567*I)*(0.707818052099034 + 0.943491890887567*I)
=
-1.00000000000000
-1.00000000000000
x1 = 0.707818052099034 + 0.943491890887567*i
x2 = -0.99345798851234 + 0.830474981782981*i
x3 = 0.707818052099034 - 0.943491890887567*i
x4 = -0.428720127173388
x5 = -0.99345798851234 - 0.830474981782981*i
x5 = -0.99345798851234 - 0.830474981782981*i