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$ax^{3}+bx^{2}+cx+d=0$$\newline$In the equation above, $\newline$$a,b,c,$ and $\newline$$d$ are constants.$\newline$If the equation has roots $\newline$$-1,-3,$ and $5$, which of the following is a factor of $\newline$$ax^{3}+bx^{2}+cx+d$ ?$\newline$A) $x-1$$\newline$B) $x+1$$\newline$C) $x-3$$\newline$D) $x+5$