Exercise algebra.equations.quadratic.no-abc
Description
solve a quadratic equation without abc-formula
Firsts
Rule algebra.equations.coverup.times Location [] Term "Just (TCon relation1.eq [TCon arith1.power [TVar \"x\",TNum 2],TCon arith1.divide [TNum 2,TNum 5]])" Focus "Just (TCon relation1.eq [TCon arith1.power [TVar \"x\",TNum 2],TCon arith1.divide [TNum 2,TNum 5]])" Environment