We get negative 2 times cosine of 0. Well, that's just negative 2 because cosine of 0 is 1. Plus 8 times cosine of 2x. Well, x is 0, so it's going to be cosine of 0, which is 1. So it's just going to be an 8. So negative 2 plus 8. Well, this thing right here, negative 2 plus 8 is 6.