video1.0<iframe src="https://www.loom.com/embed/4c9d0645df234758abe0c02c92ef98af" frameborder="0" width="1280" height="960" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>9601280Loomhttps://www.loom.com9601280https://cdn.loom.com/sessions/thumbnails/4c9d0645df234758abe0c02c92ef98af-00001.jpg98p: Which of the following complex numbers is equal to (5+12i) - (9i^2 -6i), for i = sqrt(-1) a: -14 -18i ; -4 -6i ; 4+6i ; 14 + 18i ;