Exercise algebra.equations.quadratic.no-abc
Description
solve a quadratic equation without abc-formula
Firsts
Rule algebra.equations.quadratic.move-left Location [] Term "Just (TCon relation1.eq [TCon arith1.plus [TCon arith1.plus [TCon arith1.power [TVar \"x\",TNum 2],TCon arith1.times [TNum 12,TVar \"x\"]],TNum 20],TNum 0])" Focus "Just (TCon relation1.eq [TCon arith1.plus [TCon arith1.plus [TCon arith1.power [TVar \"x\",TNum 2],TCon arith1.times [TNum 12,TVar \"x\"]],TNum 20],TNum 0])" Environment