Exercise algebra.manipulation.rational.simplify

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

Derivation

Final term is not finished

(x-4)*(x+3)/((x-1)*(x-4))+(x-1)*(x+2)/((x-1)*(x-4))

⇒ algebra.equations.linear.distr-times

(x-4)*(x+3)/((x-1)*(x-4))+(x^2+x-2)/((x-1)*(x-4))