Exercise algebra.manipulation.rational.simplify

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

Derivation

Final term is not finished

(x+2)*4/(x*(x+5)+6)-(x+3)*6/((x+3)*(x+2))

⇒ algebra.equations.linear.distr-times

(x+2)*4/(x^2+5*x+6)-(x+3)*6/((x+3)*(x+2))