The equation is
.
Solve the equation.
\
(Original polynomial)
(Add
to each side)
(Apply additive inverse property :
)
(Add
to each side)
(Factor
)
(Substitute
)
(Take the square root of each side)
(Simplify)
(Subtract
from each side)
(Apply additive inverse property :
)
and
(Separate the solutions)
and
.
Therefore, the solutions are
and
.
The solutions are
and
.