ĐK: \(x\le\frac{1}{2}\)
\(\sqrt{\left(x-5\right)^2}=1-2x\)
\(\Leftrightarrow\left|x-5\right|=1-2x\)
\(\Leftrightarrow\left[{}\begin{matrix}x-5=1-2x\\x-5=2x-1\end{matrix}\right.\Leftrightarrow\left[{}\begin{matrix}x=2\left(loai\right)\\x=-4\left(thoa\right)\end{matrix}\right.\)
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