So this is equal to, I'll just still throw out the 1 1.5 here. This is equal to 1 1.5 times, so I'll do this in a new color here. Let me do it in, well I don't have too many new colors. Okay, so this is equal to two plus one. So this and this together is going to be equal to three. And then you have this negative outside. So that's why it was a plus one.