( 2 + x )3 - 23 = 41
( 2 + x )3 = 64 = 43
=> 2 + x = 4
x = 2
\(\left(2+x\right)^3-23=41\\ \Rightarrow\left(2+x\right)^3=64\\ \Rightarrow2+x=4\\ \Rightarrow x=2\)
(2 + x)3 - 23 = 41
=>(2 + x)3 = 41 + 23
=>(2 + x)3 = 64 = 43
=>2 + x = 4
=>x = 4 - 2 = 2
Vậy x = 2