Answer:
-6
Step-by-step explanation:

input the numbers

do the problem in the parentheses first
-6-12 = -18
now it becomes

simplify and you'll get
-6
this is because -18 ÷ 3 =
-6
That is the answer. 12/25.
Answer:
15cd(1 + 2cd)
Step-by-step explanation:
greatest common factor is 15cd

Answer is
geometric series
Answer:
0
Step-by-step explanation:
EX: a=4
b=2
4-2-4+2=0