The roots of the function are:
[tex]\begin{gathered} x=-5 \\ x=-1 \\ x=5 \end{gathered}[/tex]For:
[tex]\begin{gathered} x=5 \\ Multiplicity=1 \end{gathered}[/tex]----------------------------------------------------------------------------------------------------------
[tex]\begin{gathered} x=-5 \\ Multiplicity=1 \end{gathered}[/tex]-----------------------------------------------------------------------------------------------------------
[tex]\begin{gathered} x=-1 \\ Multiplicity=2 \end{gathered}[/tex]