The equation is
.
Apply difference of two squares:
.

The LCD
,
is
.



Multiply each side by
.


Factors of left side:
.

Apply zero product property: ab = 0 then a = 0 or b = 0.
\
The first factor is
.
Add 3 to each side.
\

Divide each side by 2.
\

The second factor is
.
Subtract 3 from each side.
\

Check:
\To check the first solution, substitute
in
.



LCM of denominator 4, 1 is 4 and 2, 1 is 2.
\





The solution is true.
Check:
\To check the second solution, substitute
in
.




The solution is false.
The solution is
.