Exercise algebra.manipulation.rational.simplify

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

Derivation

3/(x-2)+2/(x-3)

⇒ algebra.equations.rational.rational-scale

(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))