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