The equation is
.
(Square each side and eliminate the square roots)
(Subtract
from each side)


(
divide into factors
)
(Apply zero product property)
(Simplify)
Check:
\To check the solution substitute
in
.



(Evaluate square roots:
)
The solution is "True".
\Check:
\To check the solution substitute
in
.



(Evaluate square roots:
)
The solution is "True".
\The solutions are 2, 3.