Exercise algebra.equations.quadratic.no-abc
Description
solve a quadratic equation without abc-formula
Firsts
Rule algebra.equations.coverup.power Location [] Term "Just (TCon logic1.or [TCon relation1.eq [TCon arith1.divide [TNum 11,TNum 2],TCon arith1.minus [TVar \"x\",TCon arith1.divide [TNum 1,TNum 2]]],TCon relation1.eq [TCon arith1.unary_minus [TCon arith1.divide [TNum 11,TNum 2]],TCon arith1.minus [TVar \"x\",TCon arith1.divide [TNum 1,TNum 2]]]])" Focus "Just (TCon logic1.or [TCon relation1.eq [TCon arith1.divide [TNum 11,TNum 2],TCon arith1.minus [TVar \"x\",TCon arith1.divide [TNum 1,TNum 2]]],TCon relation1.eq [TCon arith1.unary_minus [TCon arith1.divide [TNum 11,TNum 2]],TCon arith1.minus [TVar \"x\",TCon arith1.divide [TNum 1,TNum 2]]]])" Environment