Exercise algebra.equations.quadratic.no-abc
Description
solve a quadratic equation without abc-formula
Firsts
Rule algebra.equations.coverup.onevar.minus-right Location [1] Term "Just (TCon logic1.or [TCon relation1.eq [TVar \"x\",TCon arith1.unary_minus [TCon arith1.divide [TNum 3,TNum 2]]],TCon relation1.eq [TCon arith1.times [TNum 2,TVar \"x\"],TNum 15]])" Focus "Just (TCon relation1.eq [TCon arith1.times [TNum 2,TVar \"x\"],TNum 15])" Environment