Question

Find the missing values in this sequence; -6;...;3...;15.​

Answer 1

It is 7 , 21
That’s the answer
Explenatkon.

Answer 2

Maybe 9 and 12 ?

Explanation:

-6 + 9 = 3

then 3 + 9 = 12

then 12 + 3 = 15

each term is the sum of the two that are before it