Exercise algebra.manipulation.rational.simplify
Description
simplify a rational expression (with a variable in a divisor)
Derivation
(x-3)*3/((x-2)*(x-3))+(x-2)*2/((x-2)*(x-3))
⇒ algebra.equations.rational.rational-plus((x-3)*3+(x-2)*2)/((x-2)*(x-3))
⇒ algebra.equations.linear.distr-times(3*x-9+2*x-4)/((x-2)*(x-3))
⇒ algebra.equations.linear.merge(5*x-13)/((x-2)*(x-3))