\(\left(x+6\right)\left(5^x-1\right)=0\\ =>\left[{}\begin{matrix}x+6=0\\5^x-1=0\end{matrix}\right.=>\left[{}\begin{matrix}x=-6\\5^x=1\end{matrix}\right.=>\left[{}\begin{matrix}x=-6\\5^x=5^0\end{matrix}\right.\\ =>\left[{}\begin{matrix}x=-6\\x=0\end{matrix}\right.\)
=> \(\left[{}\begin{matrix}x+6=0\\5^x-1=0\end{matrix}\right.< =>\left[{}\begin{matrix}x=-6\\x=0\end{matrix}\right.\)
=>x+6=0 hoặc 5^x=1
=>x=-6 hoặc x=0
