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Plz help with this math problem ​
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3 votes
Plz help with this math problem ​

Plz help with this math problem ​-example-1
User Brandon McKenzie
by
5.2k points

1 Answer

3 votes

Answer:

D. -3r^2 + 11r + 9

Explanation:

8r + 4r^2 + 3r + 9 - 7r^2

shift somethings around so it's easier to tell

4r^2 - 7r^2 + 8r + 3r + 9

simplify/add

-3r^2 + 11r + 9

User Mnoronha
by
5.1k points
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