Question 305870
{{{(3x+3)/(15x^2+24x+9)}}}
{{{3(x+1)/3(5x^2+8x+3)}}}
{{{3(x+1)/3(x+1)(5x+3)}}}
{{{cross(3(x+1))/cross(3(x+1))(5x+3)}}}
{{{1/(5x+3)}}}