\(\left(3x-2\right)^5=-243\)
\(\left(3x-2\right)^5=-3^5\)
\(3x-2=-3\)
\(3x=-3+2\)
\(3x=-1\)
\(x=\dfrac{-1}{3}\)
Vậy \(x=\dfrac{-1}{3}\)
(3x -2)5 = -243
(3x -2)5 = (-3)5
3x-2 =-3
3x =-1
x =\(\dfrac{-1}{3}\)
Vậy x=\(\dfrac{-1}{3}\)
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