\(\Leftrightarrow\left\{{}\begin{matrix}x^2-4x+4-4x+1=0\\x>=2\end{matrix}\right.\Leftrightarrow\left\{{}\begin{matrix}\left(x-4\right)^2=11\\x>=2\end{matrix}\right.\Leftrightarrow x=\sqrt{11}+4\)
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