Question

(3x-2)^5=-243

Answer 1

\(\left(3x-2\right)^5=-243\)

\(\left(3x-2\right)^5=-3^5\)

\(3x-2=-3\)

\(3x=-3+2\)

\(3x=-1\)

\(x=\dfrac{-1}{3}\)

Vậy \(x=\dfrac{-1}{3}\)

Answer 2

(3x -2)⁵ = -243
(3x -2)⁵ = (-3)⁵
3x-2 =-3
3x =-1
x =\(\dfrac{-1}{3}\)

Vậy x=\(\dfrac{-1}{3}\)

Chúc bạn học tốt

Answer 3

3 mũ x trừ mũ 5 bằng 243