Question 925573
{{{(5x-4x^2)/(x^2-10)=(5(-3)-4(-3)^2)/((-3)^2-10)}}}
{{{(5x-4x^2)/(x^2-10)=(-15-36)/(9-10)}}}
{{{(5x-4x^2)/(x^2-10)=(-51)/(-1)}}}
{{{(5x-4x^2)/(x^2-10)=51}}}