ĐKXĐ: \(x\ge0\)
\(pt\Leftrightarrow2x-3\sqrt{x}-2=7\)
\(\Leftrightarrow2x-3\sqrt{x}-9=0\)
\(\Leftrightarrow\left(\sqrt{x}-3\right)\left(2\sqrt{x}+3\right)=0\)
\(\Leftrightarrow\sqrt{x}=3\)(do \(2\sqrt{x}+3\ge3>0\))
\(\Leftrightarrow x=9\left(tm\right)\)