2.5 squared is 6.25 times 1 half. 6.25 plus 1. So that's 7.25 times 1 half. And just to make the math simpler, we can factor out the 1 half. So this is going to be equal to 1 half times 2 plus 3.25 plus 5 plus 7.25, which is equal to 1 half times. Let's see if I can do this in my head. 2 plus 5 is easy.