The equation is .
(Square each side and eleminate the square roots)
(Evaluate power:
)
Apply division property of equality: a = b, then .
(Divide each side by negative 3)
(Cancel common terms)
(Divide:
)
Check:
\To check the solution substitute in
.
(product of two negative sings is positive) \ \
(Multiply:
)
(Evaluate square roots:
)
The solution is "True".
The solution is "True".