Exercise algebra.equations.quadratic.no-abc
Description
solve a quadratic equation without abc-formula
Firsts
Rule quadraticequationstrategy.enter Location [] Term "Just (TCon logic1.or [TCon relation1.eq [TNum 10,TCon arith1.minus [TVar \"x\",TNum 1]],TCon relation1.eq [TCon arith1.unary_minus [TNum 10],TCon arith1.minus [TVar \"x\",TNum 1]]])" Focus "Just (TCon logic1.or [TCon relation1.eq [TNum 10,TCon arith1.minus [TVar \"x\",TNum 1]],TCon relation1.eq [TCon arith1.unary_minus [TNum 10],TCon arith1.minus [TVar \"x\",TNum 1]]])" Environment