When simplifying the expression in part H, how many times will the sign change on the positive term? Will the final expression be positive or negative?
There are two -1s in the expression, so the sign of the positive term will change two times: positive → negative → positive. So, the final expression will be positive.
There are two -1s in the expression, so the sign of the positive term will change two times: positive → negative → positive. So, the final expression will be positive.
