Show Your Work
We require proof.
Sure, in the real world having the right answer is all that matters. But maybe if you show your work and it *doesn't* turn out to simplify to "i <3 u", you can figure out why without a relationship counselor.
Oh, that phrase dreaded by math students everywhere: show your work. Once you get to a certain point in math, it's kind of like when someone asks you to give directions on how to tie a shoelace and suddenly you have no idea how you tie a shoelace. First you tap into the muscle memory....
Equation which simplifies to "i <3 u" in white ink on a black, 100% cotton t-shirt.