ĐKXĐ: ...
\(\Leftrightarrow2\left(x+1\right)+2\sqrt{x^2-4x+1}-6\sqrt{x}=0\)
\(\Leftrightarrow2\left(x+1\right)-5\sqrt{x}+\sqrt{4x^2-16x+4}-\sqrt{x}=0\)
\(\Leftrightarrow\frac{4x^2-17x+4}{2\left(x+1\right)+5\sqrt{x}}+\frac{4x^2-17x+4}{\sqrt{4x^2-16x+4}+\sqrt{x}}=0\)
\(\Leftrightarrow\left(4x^2-17x+4\right)\left(\frac{1}{2\left(x+1\right)+5\sqrt{x}}+\frac{1}{\sqrt{4x^2-16x+4}+\sqrt{x}}\right)=0\)
\(\Leftrightarrow4x^2-17x+4=0\)
\(\Leftrightarrow...\)