You can perform all kind of operation that are one the inverse of the other, so that the value won't change. For example, you can multiply and divide by 2:

Or add and subtract 5:

It would be 12 ones it would be this because you have to add 7+ 5
Answer:
I THINK it's B, could be wrong.
Step-by-step explanation:
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➷ It would be -5s^3 + 2s^2 - s - 9
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➶ Hope This Helps You!
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