The equation would be 6x+x=63. Not sure how the models play out, but good luck
Answer:
The first one, since that is the only one showing in the screen,
and that is actually correct, since there are no intersecting points.
X^2-9=-5
x^2-4=0
(x+2)(x-2)=0 [Difference of Two Squares]
x=-2,2
-2 is the smaller root.