The goal is to manipulate the expression so that we get a or condition, which is necessary to use L'Hopital's rule. Start by setting the expression equal to some variable (so that we remember what we are solving for) and then do a few algebraic manipulations:

So from this point, we can use L'Hopital's to solve the right-hand side of the above equation. Notice that we're actually solving for so you'll have one final step to get back to which is the solution.