Question

(2 nhân x + 1) mũ 3 = 64

Answer 1

(2.x+1)³ = 64

(2.x+1)³ =4³

=> 2.x+1 =4

2.x+1 =4

x+1 = 4:2

x+1 = 2

x = 2-1

x=1

Answer 2

(2.x + 1)³ = 64

(2.x + 1)³ = 4³

=> 2.x + 1 = 4

2x = 4 - 1 = 3

x = 3 : 2 = 3/2

Answer 3

x=1