Exercise algebra.equations.quadratic.no-abc
Description
solve a quadratic equation without abc-formula
Firsts
Rule algebra.equations.coverup.onevar.minus-left Location [0] Term "Just (TCon logic1.or [TCon relation1.eq [TCon arith1.times [TNum 6,TVar \"x\"],TCon arith1.plus [TNum 3,TCon arith1.root [TNum 6,TNum 2]]],TCon relation1.eq [TCon arith1.minus [TCon arith1.times [TNum 6,TVar \"x\"],TNum 3],TCon arith1.unary_minus [TCon arith1.root [TNum 6,TNum 2]]]])" Focus "Just (TCon relation1.eq [TCon arith1.times [TNum 6,TVar \"x\"],TCon arith1.plus [TNum 3,TCon arith1.root [TNum 6,TNum 2]]])" Environment Rule algebra.equations.coverup.onevar.minus-left Location [1] Term "Just (TCon logic1.or [TCon relation1.eq [TCon arith1.minus [TCon arith1.times [TNum 6,TVar \"x\"],TNum 3],TCon arith1.root [TNum 6,TNum 2]],TCon relation1.eq [TCon arith1.times [TNum 6,TVar \"x\"],TCon arith1.minus [TNum 3,TCon arith1.root [TNum 6,TNum 2]]]])" Focus "Just (TCon relation1.eq [TCon arith1.times [TNum 6,TVar \"x\"],TCon arith1.minus [TNum 3,TCon arith1.root [TNum 6,TNum 2]]])" Environment