Question 101312
Simplify:
{{{(4-(1/x^2))/(2+(1/x))}}} Your first step was very good!
{{{(4x^2-1)/(2x^2+x)}}} Now you can factor the numerator and factor an x from the denominator.
{{{cross((2x+1))(2x-1)/(x*cross((2x+1)))}}} Cancel the indicated factors to leave you with:
{{{(2x-1)/x}}}