The equation is
.
Solve the above equation by the factoring method.
\
Factor by grouping.
\

Set 1 st factor equal to zero.
\
.
Set 2 nd factor equal to zero.
\

.
Thus, the solutions are
and
.
Check:
\Substitute the value of
in
.

.
The above statement is true. \ \
\\
Substitute the value of
in
.

.
The above statement is true. \ \
\\ \
\Substitute the value of
in
.
.
The above statement is true. \ \
\
The solutions are
and
.