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

(
divide into factors
)

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

(Evaluate square roots:
)
The solution is "True".
The solution is "True".