Question

11.find the product .
A. (-23)×(-45)-(-23)×(-45)=
B.(-33)×(-22)-(-22)×(-33)=
C.78×8-8×78=
D.(-450)×(-121)-(-121)×(-450)=
E.56×(-1000)-(-1000)×56=
F.99×(-12)-(-12)×99=​

Answer 1

The answer to all questions is 0, since,

(a + b) – (a + b) = 0