Find the largest degree of x that can be factored out of all the terms9x and 457x2 squared and 21x18x6 squared and 12x3 squared 15x3 squared,25x2 squared, and 55x

Aflagpole broke in a storm. it was originally 8 1 81 feet tall. 2 8 28 feet are still sticking straight out of the ground, where it snapped, but the remaining piece has hinged over and touches the ground some distance away. how far away is the end of the pole from the base of the pole along the ground?