-Chào :)
(2.x+1)3 = 27
(2.x+1)3 = 33
2.x = 3 -1
2x = 2
x = 2:2
x = 1
- Học tốt ='>
(2.+x+1)mu3=27
(2.x+1)mu3=33
2.x+1=3
2.x=3-1
2.x=2
x=1
( 2x + 1 )\(^3\)= 27
( 2x + 1 )\(^3\)= 3\(^3\)
2x + 1 = 3
2x = 2
x = 1
Tk cho mình nhé.
(2.x+1)3 =27
(2.x+1)3 =33
(2.x+1) =3
2.x =3-1
2.x =2
x =2:2
x = 1