A represents 12!
12! = 12 * 11 * 10 * 9 * ... (down to 1)
The first part is 8 x 40=320
8 x 7=56
320+56 and i am not sure what you have going on on the other half
31. I'm not positive but give it a shot if it is wrong message me back!
Answer:
esfgkjfvgghhhhhhjjhhhhhgfffghjjkkokkkjrdgsgegfggy
Positive product:
(-2/5)(-2/5)
(2/5)(2/5)
negative product:
(-2/5)(2/5)
(2/5)(-2/5)
