Question

tìm x :

(2x +1 ) ³ =125

Answer 1

( 2x + 1 ) ³ = 125

( 2x + 1 ) ³ = 5³

2x + 1 = 5

2x = 5 - 1

2x = 4

x = 4 : 2

x = 2

Answer 2

(2x+1)³=125

2x+1=5

2x=5-1

2x=4

x=4:2

x=2