\(\Leftrightarrow x^3\left(x-1\right)+x\left(x-1\right)=0\)
=>x(x-1)=0
=>x=0 hoặc x=1
` x^3(x-1) + x(x-1) = 0`
`<=> x(x^2+1)(x-1) = 0`
Mà `x^2 +1 >= 0 + 1 = 1 > 0`
`->`\(\left[{}\begin{matrix}x-1=0\\x=0\end{matrix}\right.\)
`->` \(\left[{}\begin{matrix}x=1\\x=0\end{matrix}\right.\)