In this problem, you will be a math detective! Some of the symbols and functions may not be familiar to you, but with a little digging, reading, and observing, you'll be able to figure them out. Your task is to simplify the following expression as much as possible, without using a calculator (either hardware or software). Do not approximate. Express all rational numbers as improper fractions. All operators must be explicit. For more information, click on the "2'" icon next to the input box. 5(n) = E(3k+ 12),n :3 7 k:7 301) = symbolic expression 0