ĐKXĐ: \(x\ge\frac{1}{2}\)
\(\Leftrightarrow x^4-4x+4+2x-1-2\sqrt{2x-1}+1=0\)
\(\Leftrightarrow\left(x-2\right)^2+\left(\sqrt{2x-1}-1\right)^2=0\)
\(\Leftrightarrow\left\{{}\begin{matrix}x-2=0\\\sqrt{2x-1}-1=0\end{matrix}\right.\) \(\Rightarrow x=\varnothing\)
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