Question 212819
{{{(12cross(x^2)/5cross(x^2))*(10x/4x^2)}}}={{{(12/5)*(10*cross(x)/(4*x*cross(x)))}}} = {{{(12/5)*(10/4x) = (3*cross(4)/cross(5))*((2*cross(5))/(cross(4)*x))}}}= {{{highlight(3/x)}}}