El profesor se sorprenderá mucho al ver tu solución correcta😉
/ 2\ / 2 \ 84.375 = \64 - x /*\x - 4/
x1 = -7.90943418627336
x2 = -2.33256315091582
x3 = 2.33256315091582
x4 = 7.90943418627336
x4 = 7.90943418627336
suma
-7.90943418627336 - 2.33256315091582 + 2.33256315091582 + 7.90943418627336
=
0
producto
-7.90943418627336*-2.33256315091582*2.33256315091582*7.90943418627336
=
340.375000000000
340.375000000000
x1 = 7.90943418627336
x2 = -7.90943418627336
x3 = -2.33256315091582
x4 = 2.33256315091582
x4 = 2.33256315091582