The equations are
and
.
Solve the equation
for
.
Consider the equation
.
Rewrite the equation quadratic form as
.
Compare the equation with the standard form of quadratic equation
.

Roots are
.


.
Solve the equation
for
.
Consider
.

Compare the equation with the standard form of quadratic equation
.
.






Draw a coordinate plane.
\Graph the functions
and
in the same window.
Observe the above graph :
\The two equations intersects at one point
.
Intersecting point is
.