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