\(\Leftrightarrow\left(1-\dfrac{\sqrt{x}\left(\sqrt{x}+1\right)}{\sqrt{x}+1}\right)\left(\dfrac{2\left(1-\sqrt{x}\right)+\sqrt{x}-3}{\left(\sqrt{x}-3\right)\left(1-\sqrt{x}\right)}\right)=-2\)
\(\Leftrightarrow\left(1-\sqrt{x}\right).\dfrac{-\sqrt{x}-1}{\left(\sqrt{x}-3\right)\left(1-\sqrt{x}\right)}=-2\)
\(\Leftrightarrow-2.\left(\sqrt{x}-3\right)=-\sqrt{x}-1\)
\(\Leftrightarrow6-2\sqrt{x}=-\sqrt{x}-1\)
\(\Leftrightarrow\sqrt{x}=7\Rightarrow x=49\)
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