Question

What adds to 8 but multiplies to -100?

Answer 1

Factors of -100
-1,100 or 1,-100
-2,50 or 2,-50
-4,25 or 4,-25
-5,20 or 5,-20
-10,10
now through trial and error we add these together until we get 8 which is...
none of these, are you sure that you have the correct numbers?

Answer 2

What adds to 8 but multiplies to -100 The answer is 2