y=2(x−3)2−2y=2(x-3)^{2}-2y=2(x−3)2−2
y=3(x+2)2−2y=3(x+2)^{2}-2y=3(x+2)2−2
y2=3(x−3)+2y^{2}=3(x-3)+2y2=3(x−3)+2
y2=3(x−2)+2y^{2}=3(x-2)+2y2=3(x−2)+2