\(\sqrt{2x-1}+\sqrt{x}=2\)
\(\Leftrightarrow2x-1+x+2\sqrt{x\left(2x-1\right)}=4\)
\(\Leftrightarrow2\sqrt{2x^2-x}=5-3x\)
\(\Leftrightarrow2x^2-x=\dfrac{25-30x+9x^2}{4}\)
\(\Leftrightarrow8x^2-8x-25+30x-9x^2=0\)
\(\Leftrightarrow x^2-22x+25=0\)
\(\Leftrightarrow x=11\pm4\sqrt{6}\)