This concept shouldn't be all that strange, actually. U-substitution is only one transformation technique, and in fact, you probably have already used other techniques of transformation to solve integration problems that haven't required the U-Substitution method. Here's an example: So this doesn't look too hard.
Hunlock Creek Info. Hunlock Creek, Pennsylvania is located in Luzerne County. Zip codes in Hunlock Creek, PA include 18621.
Hunlock Creek (also known as Hunlocks Creek) is a tributary of the Susquehanna River in Luzerne County, Pennsylvania, in the United States. It is approximately 7.8 miles (12.6 km) long and flows through Lehman Township and Hunlock Township. The watershed of the creek has an area of 32.5 square miles (84 km2) and is situated in northwestern Luzerne County. It has one named tributary, which is known as Roaring Brook, and a number of unnamed and unofficially named tributaries, such as West Branch Hunlock Creek.