The function is
.
Rewrite the function as
.
Vertical asymptote is a vertical line which corresponds to zeroes of the denominator.
\Find the vertical asymptote by equate denominator to zero and solve for
.
.
Apply zero product property.
\
and
.
The general solution of
is
, where
is an integer.

.
.
The vertical asymptote is
.
The vertical asymptote is
.