Question

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

Answer 1

remember
-(-x)=+x since negatives cancel
and
+(-x)=-x

try to simplify parenthaseess first

r=9
b=5
g=-6
(r+b-g)(b+g)
(9+5-(-6))(5+-6)
(9+5+6)(5-6)
(14+6)(-1)
(20)(-1)
-20

Answer 2

(9+5+6)(5-6)

(20)(-1)

= -20

I hope that's help:0