Exercise algebra.manipulation.rational.simplify

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

Derivation

(x+3)/(x-1)+(x+2)/(x-4)
algebra.equations.rational.rational-scale
(x-4)*(x+3)/((x-1)*(x-4))+(x-1)*(x+2)/((x-1)*(x-4))
algebra.equations.rational.rational-plus
((x-4)*(x+3)+(x-1)*(x+2))/((x-1)*(x-4))
algebra.equations.linear.distr-times
(x^2-x-12+x^2+x-2)/((x-1)*(x-4))
algebra.equations.linear.merge
(2*x^2-14)/((x-1)*(x-4))