A ball is dropped from a height of 180 meters. The height of the ball can be represented by
 -5t2 + 180, in meters, when t represents the time in seconds since the ball was dropped.
 Which expression represents the height of the ball In factored form?
 A) -5(t+6)^2
 B) -5(t-6)^2
 C) -5(t+6)(t-6)
 D) (5t-3)(80t+3)