For this case we have the following expression:
\(9r + 3r ^ 2 - 5r + 7\)
We must simplify the expression.
To do this, we combine similar terms.
We have then:
\(3r ^ 2 + 9r - 5r + 7\)
Rewriting we have:
\(3r ^ 2 + 4r + 7\)
Answer:
The simplified expression is given by:
\(3r ^ 2 + 4r + 7\)
