Question 56790
{{{(x - 4)/((x / 4) - (4 / x))}}}
{{{x(x - 4)/(x((x / 4) - (4 / x)))}}}
{{{x(x - 4)/(x^2 / 4 - 4)}}}
{{{4x(x - 4)/(4(x^2 / 4 - 4))}}}
{{{4x(x - 4)/(x^2 - 16)}}}
{{{4x(x - 4)/((x - 4)(x + 4))}}}
{{{4x/(x + 4)}}}
{{{(x - 4)/((x / 4) - (4 / x))}}}: {{{graph(300,300,-5,5,-5,5,(x - 4)/((x / 4) - (4 / x)))}}}
{{{4x/(x + 4)}}}: {{{graph(300,300,-5,5,-5,5,4x/(x + 4))}}}