El profesor se sorprenderá mucho al ver tu solución correcta😉
(x - 4)*(x - 8)*(x - 12)*(x - 16) = 1
suma
______________ ______________ ______________ ______________ / _____ / _____ / _____ / _____ 10 - \/ 20 - \/ 257 + 10 - \/ 20 + \/ 257 + 10 + \/ 20 - \/ 257 + 10 + \/ 20 + \/ 257
=
40
producto
/ ______________\ / ______________\ / ______________\ / ______________\ | / _____ | | / _____ | | / _____ | | / _____ | \10 - \/ 20 - \/ 257 /*\10 - \/ 20 + \/ 257 /*\10 + \/ 20 - \/ 257 /*\10 + \/ 20 + \/ 257 /
=
6143
6143
______________ / _____ x1 = 10 - \/ 20 - \/ 257
______________ / _____ x2 = 10 - \/ 20 + \/ 257
______________ / _____ x3 = 10 + \/ 20 - \/ 257
______________ / _____ x4 = 10 + \/ 20 + \/ 257
x4 = sqrt(sqrt(257) + 20) + 10
x1 = 8.00782017425168
x2 = 16.0026010646953
x3 = 3.99739893530468
x4 = 11.9921798257483
x4 = 11.9921798257483