Exercise algebra.manipulation.rational.simplify
Description
simplify a rational expression (with a variable in a divisor)
Firsts
Rule algebra.equations.linear.distr-times Location [0] Term "Just (TCon arith1.divide [TCon arith1.minus [TCon arith1.power [TVar \"x\",TNum 2],TNum 9],TCon arith1.plus [TCon arith1.times [TVar \"x\",TCon arith1.plus [TVar \"x\",TNum 6]],TNum 9]])" Focus "Just (TCon arith1.minus [TCon arith1.power [TVar \"x\",TNum 2],TNum 9])" Environment