Exercise algebra.inequalities.quadratic
Description
solve a quadratic inequation
Firsts
Rule algebra.inequalities.to-equation Location [] Term "Just (TCon relation1.eq [TCon arith1.minus [TCon arith1.power [TVar \"x\",TNum 2],TCon arith1.times [TCon arith1.divide [TNum 9,TNum 2],TVar \"x\"]],TCon arith1.minus [TNum 7,TCon arith1.times [TNum 3,TVar \"x\"]]])" Focus "Just (TCon relation1.eq [TCon arith1.minus [TCon arith1.power [TVar \"x\",TNum 2],TCon arith1.times [TCon arith1.divide [TNum 9,TNum 2],TVar \"x\"]],TCon arith1.minus [TNum 7,TCon arith1.times [TNum 3,TVar \"x\"]]])" Environment