Lawks factor that could also be right (although is more than a tad harder). It would have been easier if oscarina had typed the exact wording of the question. If she's after 2 figures for the answer then yours would be the correct solution.
I don't think oscarina is clear as to what the question is, but I'm pretty sure the intended question is as bibblebub and I have suggested.
Answer: -2 and -1
Hi mike11111. isn't that what numbers is all about, try figuring out your username! Answerbank is a forum for helping and answering! Thanks for all replies