2x(-7)^2-9 = 2x49-9=98-9=89 maybe
Answer: last option.
Step-by-step explanation:
To apply the Distributive property, remember that:

Then, applying this, you get:

Combine like terms means that you need to add the like terms.
Therefore, you get:

You can observe that the expression obtained matches with the expression provided in the last option.
The expressions is undefined in the set of the real numbers.
Answer
3,4,5,5,6,7,7,7,7
Step-by-step explanation:
lol we have the same question on our test besides i’m in middle school Answer: idfk
Step-by-step explanation: don’t ask me i’m failing math