The equation is .
Solve equation.
\ (Original equation)
(Take square root of each side)
(Cancel the root)
(Substitute:
)
(Add
to each side)
(Apply additive inverse property:
)
and
(Separate solutions)
and
(Simplify)
The solutions are and
.
Check for first solution.
\ (Original equation)
(Substitute
in original equation)
(Simplify)
.
Check for second solution.
\ (Original equation)
(Substitute
in original equation)
(Simplify)
.
The solutions are and
.