Exercise algebra.manipulation.rational.simplify
Description
simplify a rational expression (with a variable in a divisor)
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
(x*(x-2)+1)/(x^2-1)
⇒ algebra.equations.linear.distr-times(x^2-2*x+1)/(x^2-1)
Description
simplify a rational expression (with a variable in a divisor)