Exercise algebra.equations.quadratic.no-abc
Description
solve a quadratic equation without abc-formula
Firsts
Rule algebra.equations.quadratic.common-factor Location [] Term "Just (TCon relation1.eq [TCon arith1.times [TVar \"x\",TCon arith1.plus [TCon arith1.times [TNum 7,TVar \"x\"],TNum 9]],TNum 0])" Focus "Just (TCon relation1.eq [TCon arith1.times [TVar \"x\",TCon arith1.plus [TCon arith1.times [TNum 7,TVar \"x\"],TNum 9]],TNum 0])" Environment Rule algebra.equations.quadratic.scale Location [] Term "Just (TCon relation1.eq [TCon arith1.plus [TCon arith1.power [TVar \"x\",TNum 2],TCon arith1.times [TCon arith1.divide [TNum 9,TNum 7],TVar \"x\"]],TNum 0])" Focus "Just (TCon relation1.eq [TCon arith1.plus [TCon arith1.power [TVar \"x\",TNum 2],TCon arith1.times [TCon arith1.divide [TNum 9,TNum 7],TVar \"x\"]],TNum 0])" Environment