r, minus, 1, plus, 2, rr−1+2r?

Answer 1

To simplify the expression \( rr - 1 + 2r \), we can follow these steps:

1. Rewrite the expression in a clearer way: \[ r^2 - 1 + 2r \]

2. Rearrange the terms: \[ r^2 + 2r - 1 \]

So the simplified expression of \( rr - 1 + 2r \) is: \[ r^2 + 2r - 1 \]