Exercise algebra.equations.quadratic.no-abc
Description
solve a quadratic equation without abc-formula
Firsts
Rule algebra.equations.quadratic.left-square Location [] Term "Just (TCon relation1.eq [TCon arith1.power [TCon arith1.minus [TVar \"x\",TNum 4],TNum 2],TNum 12])" Focus "Just (TCon relation1.eq [TCon arith1.power [TCon arith1.minus [TVar \"x\",TNum 4],TNum 2],TNum 12])" Environment