click the recovery partition to select it, then right click, and you'll be given a set of options. select delete volume. The partition should have a black bar over it. Then select your main partition, then right click, and select extend volume. Then a wizard will appear, it will ask you what disk you want to extend to. Select the previously deleted partition, and that should be it. But why delete the factory recovery? I wish I didn't do that, now I can't get any asus apps anymore since my pc isn't recognized as an asus. check it out: