You can divide the whole expression by -3:

Recalling that

Let's compare the middle term:

So, we want to complete

Which differs from
by 16. So, if we add 16 to both sides, we have

Answer:
64
Step-by-step explanation:
This is actually really easy you just have to subtract 36 from 100
Hope this helps also please mark brainliest
9x1
You would add 2+7 which =9 then x+1 that’s 1 so it would be 9x1