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 .