A triangle with area 60 units2 has vertices with coordinates of (−15,x), (0,x), and (25,0). Find the largest possible value of x.<spanclass=′latex−bold′>(A)</span>−8<spanclass=′latex−bold′>(B)</span>−4<spanclass=′latex−bold′>(C)</span>4<spanclass=′latex−bold′>(D)</span>8<spanclass=′latex−bold′>(E)</span>16