( 12 - 2x ) ³ =64
( 12 - 2x ) ³ = 43
=> 12 - 2x= 4
=> 2x= 12-4
=> 2x= 8
=> x= 4
Vậy x=4
(12 - 2x ) 3 = 64
(12 - 2x )3 = 43
12 - 2x = 4
2x = 12 - 4
2x = 8
x = 4
Vậy x = 4
( 12 - 2x ) ³ =64
( 12 - 2x ) ³ = 43
=> 12 - 2x= 4
=> 2x= 12-4
=> 2x= 8
=> x= 4
Vậy x=4