(Solved): Find the limit of the following. Hint: Try multiplying and dividing by the conjugate. \[ \lim _{x ...

Find the limit of the following. Hint: Try multiplying and dividing by the conjugate. \[ \lim _{x \rightarrow-\infty}\left(2 x+\sqrt{4 x^{2}+2 x-8}\right) \] \( \lim _{x \rightarrow-\infty}\left(2 x+\sqrt{4 x^{2}+2 x-8}\right)=\quad \) (Simplify your answer.)