Exercise algebra.equations.quadratic.no-abc
Description
solve a quadratic equation without abc-formula
Firsts
Rule algebra.equations.quadratic.same-con-factor Location [] Term "Just (TCon relation1.eq [TCon arith1.plus [TCon arith1.plus [TCon arith1.minus [TNum 10,TCon arith1.power [TVar \"x\",TNum 2]],TCon arith1.power [TVar \"x\",TNum 2]],TCon arith1.times [TNum 5,TVar \"x\"]],TNum 0])" Focus "Just (TCon relation1.eq [TCon arith1.plus [TCon arith1.plus [TCon arith1.minus [TNum 10,TCon arith1.power [TVar \"x\",TNum 2]],TCon arith1.power [TVar \"x\",TNum 2]],TCon arith1.times [TNum 5,TVar \"x\"]],TNum 0])" Environment Rule algebra.equations.linear.distr-times Location [] Term "Just (TCon relation1.eq [TCon arith1.plus [TCon arith1.plus [TCon arith1.minus [TNum 20,TCon arith1.times [TNum 2,TCon arith1.power [TVar \"x\",TNum 2]]],TCon arith1.times [TNum 2,TCon arith1.power [TVar \"x\",TNum 2]]],TCon arith1.times [TNum 10,TVar \"x\"]],TNum 0])" Focus "Just (TCon relation1.eq [TCon arith1.plus [TCon arith1.plus [TCon arith1.minus [TNum 20,TCon arith1.times [TNum 2,TCon arith1.power [TVar \"x\",TNum 2]]],TCon arith1.times [TNum 2,TCon arith1.power [TVar \"x\",TNum 2]]],TCon arith1.times [TNum 10,TVar \"x\"]],TNum 0])" Environment