Question

If r = 9, b = 5, and g = -6, what does (r + b - g)(b + g) equal?
-20


-8


8


20

Answer 1

- 20 because
(r + b - g) is 9 + 5 - -6 is 20 (the two negatives cancel out each other). 5 + -6 = -1. A negative times a positive is a negative so 20 x -1 is -20.