Exercise algebra.inequalities.quadratic
Description
solve a quadratic inequation
Firsts
Rule topform.exit Location [] Term "Just (TCon relation1.eq [TCon arith1.plus [TCon arith1.plus [TCon arith1.unary_minus [TCon arith1.power [TVar \"x\",TNum 2]],TCon arith1.times [TNum 3,TVar \"x\"]],TNum 18],TNum 0])" Focus "Just (TCon relation1.eq [TCon arith1.plus [TCon arith1.plus [TCon arith1.unary_minus [TCon arith1.power [TVar \"x\",TNum 2]],TCon arith1.times [TNum 3,TVar \"x\"]],TNum 18],TNum 0])" Environment