The equation is
.
Rewrite the equation in standard form.
\
(Original equation)
(Add
to each side)
(Apply additive inverse property:
)
The standard form of equation is
.
Compare the above two equations
and
.
Find the discriminant:
\
(Substitute
and
)
(Evaluate powers:
)
(Multiply:
)
(Addition:
)
The discriminant is zero, therfore the equation has one real solution.
\The discriminant is zero.
\The equation has one real solution.