Sistem persamaan y=x2-2x-3 y=-x2-2x+5 By Admin ReiPosted on October 29, 2022 Sistem persamaan y=x2-2x-3 y=-x2-2x+5 X2 – 2x – 3 = x2 – 2x + 5-2x – 3 = -2x + 5-3 = 5= 2