im having probs with the -1 and -2 like..... -1(-1) or 2(-2) help me under stand why its 0 and how to know if it is
Neither are ZERO.... AS written -1(-1) MEANS -1 x -1 which equals +1 (neg x neg = pos)
2(-2) MEANS 2 x -2 which equals -4 (Neg x Pos = Neg)
+454 
