Question

-2ab
———
a + b
(if a = 8 and b = -4)

Answer 1

The answer is 16.

Explanation:

First you need to substitute the letters with the number.

1 -2ab = -2(8)(-4)= 64 -2(8)=-16 -16(-4)=64

8-4= 4 64/4= 16