Question

giải phương trình: x.(x+1).(x^2+x+1)=0

Answer 1

\(x\left(x+1\right)\left(x^2+x+1\right)=0\)

\(\Leftrightarrow\left[{}\begin{matrix}x=0\\x+1=0\\x^2+x+1=0\end{matrix}\right.\)

\(\Leftrightarrow\left[{}\begin{matrix}x=0\\x=-1\end{matrix}\right.\) \(\left(x^2+x+1\ne0\right)\)