The equation is
.
Solve the equation.
\
(Original equation)
(Cross product)
(Factors)
(Group of the factors)
(Take out common factor)
and
(Separate solutions)
and
(Simplify)
\
Check:
\Case(i): 
(Original equation)
(Substitute
in the equation)
(Evaluate powers
in the equation)
(Multiply)
(Simplify)
(Subtract:
)
(Simplify)
Case(ii): 
(Original equation)
(Substitute
in the equation)
(Evaluate powers
in the equation)
(Multiply)
(Simplify)
(Subtract:
and
)
(Simplify)
Therefore, the solutions are
and
.
The solutions are
and
.