Assuming $3$x$^(3)+10$y$^(2)-7$xy$=0$ defines y as a differentiable function of x$,$ use the theorem $($dy$)/($dx$)=-($F$\_($x$))/($F$\_($y$))$ to find $($dy$)/($dx$)$ at the point $(-1,-1).$

$($dy$)/($dx$)|\_((-1,-1))=$

$($Type an integer or a simplified fraction.$)$