The function is
.
is a function that has roots
and
.
Factored form of
is
.
Subustiute the valve of
in the function
.
.
Find zero of each factor.
\Consider factor
.
Consider factor
.
Consider factor
.
Multiplying
by
will reflect the graph of
with respect to
axis.
The factored form of
are
.
The zeros of
are
.
The zeros of
are
.