Exercise algebra.manipulation.rational.simplify

Description
simplify a rational expression (with a variable in a divisor)

Derivation

Final term is not finished
(x^2+3*x-4)/(x^2*(x-6)+5*x)
algebra.equations.linear.distr-times
(x^2+3*x-4)/(x^3-6*x^2+5*x)