Answer:
(√7-y)/√7-2
-(√7-y)/√7-2
Step-by-step explanation:
-1/7(y-7)=(x+2)^2
(x+2)^2 =-1/7(y-7)
x+2=(√7-y)/√7 or x+2=-(√7-y)/√7
x₁=(√7-y)/√7-2 or x₂=-(√7-y)/√7-2
