Question

giúp mình với (2x-2)mủ 3 bằng 8

Answer 1

\(\left(2x-2\right)^3=8\Leftrightarrow\left(2x-2\right)^3=2^2\)

\(\Leftrightarrow2x-2=2\Leftrightarrow2x=4\Leftrightarrow x=2\)

Answer 2

nhanh dùm mình

Answer 3

Answer 4

cảm ơn bạn nha xuân sáng thanhk you

Answer 5

(2x-2)³=8
⇔(2x-2)³=2³
⇔2x-2=2
⇔2x=2+2
⇔2x=4
⇔x=4:2
⇔x=2
Vậy x=2

Answer 6

(2x-2)³=8
⇔(2x-2)³=2³
⇔2x-2=2
⇔2x=4
⇔x=2
Vậy x=2

Answer 7

(2x-2)³ = 8

(2x-2)³ = 2³

2x - 2 = 2

2x = 4

=> x= 4 : 2=2