Find the product of the following.
-5 by 2
The product of a positive integer and a negative integer is always a negative integer.
So we get,
=-5×2=-10
Thus, -5×2=-10
81 by -2
7 by -4
Find each of the following products:
(x2−5x+8)×(x2+2)
(9x2−x+15)×(x2−3)
(x3−y3)×(x2+y2)