Răspuns :
Răspuns:
(20 - x)^30 = 4^30
20 - x = ± 4
20 - x = 4
- x = - 16 | *(-1)
x = 16
20 - x = - 4
-x = - 24| *(-1)
x = 24
x1 = 16, x2= 24
Răspuns:
(20 - x)^30 = 4^30
20 - x = ± 4
20 - x = 4
- x = - 16 | *(-1)
x = 16
20 - x = - 4
-x = - 24| *(-1)
x = 24
x1 = 16, x2= 24