Exercise algebra.equations.quadratic.no-abc
Description
solve a quadratic equation without abc-formula
Firsts
Rule quadraticequationstrategy.enter Location [0,1] Term "Just (TCon logic1.or [TCon relation1.eq [TVar \"x\",TCon arith1.plus [TNum 6,TCon arith1.divide [TCon arith1.root [TNum 8,TNum 2],TNum 2]]],TCon relation1.eq [TVar \"x\",TCon arith1.divide [TCon arith1.minus [TNum 12,TCon arith1.root [TNum 8,TNum 2]],TNum 2]]])" Focus "Just (TCon arith1.plus [TNum 6,TCon arith1.divide [TCon arith1.root [TNum 8,TNum 2],TNum 2]])" Environment