If u could answer this u would be magical

asked Oct 5, 2021 61.7k views

5 votes

by Mus

4.9k points

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5 votes

Answer:

12r^2 +r -7

Explanation:

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

Combine like terms

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

12r^2 +r -7

Epsiloncool answered Oct 12, 2021

6.0k points

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