Exercise algebra.equations.quadratic.no-abc
Description
solve a quadratic equation without abc-formula
Firsts
Rule quadraticequationstrategy.enter Location [] Term "Just (TCon relation1.eq [TNum 0,TCon arith1.minus [TCon arith1.minus [TCon arith1.times [TCon arith1.times [TNum 2,TVar \"x\"],TCon arith1.minus [TVar \"x\",TNum 3]],TCon arith1.times [TCon arith1.plus [TVar \"x\",TNum 2],TCon arith1.plus [TVar \"x\",TNum 6]]],TNum 3]])" Focus "Just (TCon relation1.eq [TNum 0,TCon arith1.minus [TCon arith1.minus [TCon arith1.times [TCon arith1.times [TNum 2,TVar \"x\"],TCon arith1.minus [TVar \"x\",TNum 3]],TCon arith1.times [TCon arith1.plus [TVar \"x\",TNum 2],TCon arith1.plus [TVar \"x\",TNum 6]]],TNum 3]])" Environment