Exercise algebra.equations.quadratic.no-abc
Description
solve a quadratic equation without abc-formula
Firsts
Rule algebra.equations.quadratic.left-square Location [] Term "Just (TCon relation1.eq [TCon arith1.power [TCon arith1.minus [TVar \"x\",TCon arith1.divide [TNum 9,TNum 2]],TNum 2],TNum 16])" Focus "Just (TCon relation1.eq [TCon arith1.power [TCon arith1.minus [TVar \"x\",TCon arith1.divide [TNum 9,TNum 2]],TNum 2],TNum 16])" Environment