Now what do we have here? We have expected value of Y times the expected value of X, and then we are subtracting the expected value of X times the expected value of Y. These two things are the exact same thing. So this is going to be, and actually look at this, we're subtracting it twice and then we have one more. These are all the same thing. This is the expected value of Y times the expected value of X. This is the expected value of Y times the expected value of X, just written in a different order.