Exercise algebra.equations.quadratic.no-abc
Description
solve a quadratic equation without abc-formula
Firsts
Rule quadraticequationstrategy.enter Location [0] Term "Just (TCon relation1.eq [TCon arith1.minus [TCon arith1.minus [TCon arith1.power [TVar \"x\",TNum 2],TVar \"x\"],TNum 30],TNum 0])" Focus "Just (TCon arith1.minus [TCon arith1.minus [TCon arith1.power [TVar \"x\",TNum 2],TVar \"x\"],TNum 30])" Environment