Exercise algebra.equations.quadratic.no-abc
Description
solve a quadratic equation without abc-formula
Firsts
Rule quadraticequationstrategy.enter Location [0] Term "Just (TCon logic1.or [TCon relation1.eq [TNum 11,TVar \"x\"],TCon relation1.eq [TVar \"x\",TCon arith1.unary_minus [TNum 9]]])" Focus "Just (TCon relation1.eq [TNum 11,TVar \"x\"])" Environment