The equation is .
Solve the equation.
\ (Original equation)
(Rewrite the equation)
(Differences of squares)
and
(Zero product property)
and
(Simplify)
and
(Simplify)
The equation has two real and two imaginary roots, , and
.
Check solution for -values.
Graph:
\Graph the equation .
Observe the graph:
\The graph is cross the - axis at
and
.
Therefore, the values of are
and
.
The equation has two real roots.