Question $1$ Which polynomial function has a leading coefficient of $1$ and roots $(7+$i$)$ and $(5-$i$)$ with multiplicity $1?$ f$($x$)=($x$-7)($x$-$i$)($x$-5)($x$+$i$)$ f$($x$)=($x$+(7-$i$))($x$+(5+$i$))($x$+(7+$i$))($x$+(5-$i$))$ f$($x$)=($x$+7)($x$-$i$)($x$+5)($x$+$i$)$ f$($x$)=($x$-(7-$i$))($x$-(5+$i$))($x$-(7+$i$))($x$-(5-$i$))$