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.plus [TCon arith1.unary_minus [TCon arith1.times [TCon arith1.minus [TVar \"x\",TNum 2],TCon arith1.plus [TVar \"x\",TNum 6]]],TCon arith1.times [TNum 4,TVar \"x\"]],TNum 0])" Focus "Just (TCon relation1.eq [TCon arith1.plus [TCon arith1.unary_minus [TCon arith1.times [TCon arith1.minus [TVar \"x\",TNum 2],TCon arith1.plus [TVar \"x\",TNum 6]]],TCon arith1.times [TNum 4,TVar \"x\"]],TNum 0])" Environment