Question

What are all the factors of 100? and what two numbers of that will make -20?

Answer 1

they have to be both negative

add them

-1-100=-101
-2-50=-52
-4-25=-29
-5-20=-25
-10-10=-20

-10 and -10

Answer 2

the factors of 100 are {1,2,4,5,10,20,25,50,100} or {-100,-50,-25,-20,-10,5,-4,-2,-1,1,2,4,5,10,20,25,50,100}
-4 and 5 make -20 or -5 and 4 make-20
(I am not sure but I hope This helps)