-1 x 5 = -5
-1 x 4=-4
-1 x 3= -3
-1 x 2 = -2
-1 x 1= -1
1- x 0 = 0
-1 x -1 = 1
Thus, we can conclude that this pattern shows the product of one negative integer and one positive integer is negative integer whereas the product of two negative integers is a positive integer.