Answer:
goku defeated frieza and frieza got mad he tried to blast goku but goku blasted something stronger and destroied planet namek after king cold who is friezas and coolers dad was in his space ship and found frieza floating around near death then rebuild him to a half robot named mecha frieza then they went to earth and trunks killed him with his sword (in dragon ball z budokai tenkaichi 3 the devilman kills him but trunks kills him in the cartoon so either story works)
First answer by ID1662817552. Last edit by ID1662817552. Question popularity: 2 [recommend question].