\
The point
is in fourth quadrant.
Required points are on the
- axis those are
units from
.
So the
coordinates are
.
Plot the circle center at
and radius of the circle is
.
The circle equation is
.
Substitute
in
.



.
Compare it with quadratic equation
.
.
Roots are
.


.
.
The points on the
- axis that are
units from the point
are
.
The points are
.