Exercise algebra.equations.quadratic.no-abc
Description
solve a quadratic equation without abc-formula
Firsts
Rule algebra.equations.quadratic.distr-square Location [1] Term "Just (TCon relation1.eq [TCon arith1.times [TNum 2,TCon arith1.plus [TVar \"x\",TNum 4]],TCon arith1.plus [TCon arith1.minus [TCon arith1.power [TVar \"x\",TNum 2],TCon arith1.times [TNum 7,TVar \"x\"]],TCon arith1.divide [TNum 49,TNum 4]]])" Focus "Just (TCon arith1.plus [TCon arith1.minus [TCon arith1.power [TVar \"x\",TNum 2],TCon arith1.times [TNum 7,TVar \"x\"]],TCon arith1.divide [TNum 49,TNum 4]])" Environment Rule algebra.equations.linear.distr-times Location [] Term "Just (TCon relation1.eq [TCon arith1.plus [TCon arith1.times [TNum 2,TVar \"x\"],TNum 8],TCon arith1.power [TCon arith1.minus [TVar \"x\",TCon arith1.divide [TNum 7,TNum 2]],TNum 2]])" Focus "Just (TCon relation1.eq [TCon arith1.plus [TCon arith1.times [TNum 2,TVar \"x\"],TNum 8],TCon arith1.power [TCon arith1.minus [TVar \"x\",TCon arith1.divide [TNum 7,TNum 2]],TNum 2]])" Environment