Question

Question :
If x=-5, y=7 and z=-9 then find (x + y)z.
Answer:

А
108

B
- 108

C
-18
D

18​

Answer 1

Answer:

(C)

Step-by-step explanation:

x= -5

y= 7

z = -9

$(x+y)z =\\(-5+7)*(-9)=\\(2)*(-9)=\\-18$

Therefore, correct option is (c)