Exercise algebra.equations.quadratic.no-abc
Description
solve a quadratic equation without abc-formula
Firsts
Rule topform.enter Location [] Term "Just (TCon relation1.eq [TNum 0,TCon arith1.plus [TCon arith1.times [TNum 6,TVar \"x\"],TCon arith1.power [TVar \"x\",TNum 2]]])" Focus "Just (TCon relation1.eq [TNum 0,TCon arith1.plus [TCon arith1.times [TNum 6,TVar \"x\"],TCon arith1.power [TVar \"x\",TNum 2]]])" Environment