Exercise algebra.equations.quadratic.no-abc
Description
solve a quadratic equation without abc-formula
Firsts
Rule quadraticequationstrategy.enter Location [] Term "Just (TCon relation1.eq [TCon arith1.times [TVar \"x\",TCon arith1.minus [TCon arith1.times [TNum 2,TVar \"x\"],TNum 4]],TNum 0])" Focus "Just (TCon relation1.eq [TCon arith1.times [TVar \"x\",TCon arith1.minus [TCon arith1.times [TNum 2,TVar \"x\"],TNum 4]],TNum 0])" Environment