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.minus [TCon arith1.minus [TCon arith1.power [TVar \"x\",TNum 2],TCon arith1.times [TNum 3,TVar \"x\"]],TNum 4],TNum 0])" Focus "Just (TCon relation1.eq [TCon arith1.minus [TCon arith1.minus [TCon arith1.power [TVar \"x\",TNum 2],TCon arith1.times [TNum 3,TVar \"x\"]],TNum 4],TNum 0])" Environment Rule algebra.equations.quadratic.prepare-split Location [] Term "Just (TCon relation1.eq [TCon arith1.plus [TCon arith1.minus [TCon arith1.power [TVar \"x\",TNum 2],TCon arith1.times [TNum 3,TVar \"x\"]],TCon arith1.divide [TNum 9,TNum 4]],TCon arith1.divide [TNum 25,TNum 4]])" Focus "Just (TCon relation1.eq [TCon arith1.plus [TCon arith1.minus [TCon arith1.power [TVar \"x\",TNum 2],TCon arith1.times [TNum 3,TVar \"x\"]],TCon arith1.divide [TNum 9,TNum 4]],TCon arith1.divide [TNum 25,TNum 4]])" Environment