\(\Leftrightarrow\sqrt{6x+10}=2x+3\)
\(\Leftrightarrow\left\{{}\begin{matrix}x>=-\dfrac{3}{2}\\\left(2x+3\right)^2=6x+10\end{matrix}\right.\Leftrightarrow\left\{{}\begin{matrix}x>=-\dfrac{3}{2}\\4x^2+12x+9-6x-10=0\end{matrix}\right.\)
\(\Leftrightarrow\left\{{}\begin{matrix}x>=-\dfrac{3}{2}\\4x^2+6x-1=0\end{matrix}\right.\Leftrightarrow x=\dfrac{-3+\sqrt{13}}{4}\)