The equation is
.
Solve the equation.
\
(Original equation)
(Factor the perfect square trinomial)
(Square root property)
(Substitute:
)
(Add
to each side)
(Apply additive inverse property:
)
(Divide each side by
)
(Cancel common terms)
and
(Write as two equations)
and
(Simplify)
The solution set is
.
The solution set is
.