Question 306305
{{{2x^4/(x^4 - 3x^5)=2x^4/(x^4(1-3x))}}}
{{{2x^4/(x^4 - 3x^5)=2cross(x^4)/(cross(x^4)(1-3x))}}}
{{{2x^4/(x^4 - 3x^5)=2/(1-3x)}}}