Question

(x-5)⁴=(x-5)⁶ (x khác 4)

Answer 1

Trả lời nhanh dùm mình

Answer 2

\(\left(x-5\right)^4=\left(x-5\right)^6\)

\(\Rightarrow\left(x-5\right)^6-\left(x-5\right)^4=0\)

\(\Rightarrow\left(x-5\right)^4\left[\left(x-5\right)^2-1\right]=0\)

\(\Rightarrow\left[{}\begin{matrix}\left(x-5\right)^4=0\\\left(x-5\right)^2=1\end{matrix}\right.\)

\(\Rightarrow\left[{}\begin{matrix}x-5=0\\\left[{}\begin{matrix}x-5=1\\x-5=-1\end{matrix}\right.\end{matrix}\right.\)

\(\Rightarrow\left[{}\begin{matrix}x=5\\x=6\end{matrix}\right.\)

Answer 3

Cảm ơn mọi người trước nha