Exercise algebra.equations.quadratic.no-abc
Description
solve a quadratic equation without abc-formula
Firsts
Rule quadraticequationstrategy.enter Location [0,1] Term "Just (TCon relation1.eq [TCon arith1.minus [TCon arith1.minus [TCon arith1.minus [TNum 12,TCon arith1.times [TNum 4,TCon arith1.power [TVar \"x\",TNum 2]]],TCon arith1.times [TNum 12,TVar \"x\"]],TNum 9],TNum 6])" Focus "Just (TNum 9)" Environment