The equation is
.
(Original equation)
(Rewrite the equation)
The standard form equation is
.
Compare the above two equations
and
.
Solve the equation.
\
(Formula for quadratic equation)
(Substitute
and
)
(Multiply)
(Evaluate powers:
)
(Add:
)
(Substitute :
)
or
(Write as two equation)
or
(Subtract)
or
(Simplify)
Therefore, the solutions are
and
.
The solutions are
and
.