Question 401903
the second part:

{{{(9x^4-6x^3+4x^2)/(27x^4+8x )}}}

{{{x^2(9x^2-6x+4)/x(27x^3+8 )}}}

{{{x^2(9x^2-6x+4)/x((3x)^3+2^3)}}}

{{{x^2(9x^2-6x+4)/x(3x+2)(9x^2-6x+4)}}}.......


{{{x^cross(2)cross((9x^2-6x+4))/cross(x)((3x+2)cross((9x^2-6x+4 )))}}}

{{{x/(3x+2)}}}