Ta có: \(x=x^3\)
=>\(x^3-x=0\)
=>\(x\left(x^2-1\right)=0\)
=>x(x-1)(x+1)=0
=>\(\left[{}\begin{matrix}x=0\\x-1=0\\x+1=0\end{matrix}\right.\)
=>\(\left[{}\begin{matrix}x=0\\x=1\\x=-1\end{matrix}\right.\)
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