Question 893261
{{{(15-2x-x^2)/(3x^2-8x-3)=-((x+5)(x-3))/((3x+1)(x-3))}}}
{{{(15-2x-x^2)/(3x^2-8x-3)=-((x+5)/(3x+1))*(cross((x-3))/cross((x-3)))}}}
{{{(15-2x-x^2)/(3x^2-8x-3)=-(x+5)/(3x+1)}}}