add √31 + √31
The sum of √31 + √31 is equal to 2√31.
To add √31 + √31, you first recognize that both terms have the same radicand, which is 31.
Therefore, you can simplify the expression by combining the two terms.
√31 + √31 can be rewritten as 2√31 since both terms have the same radicand and are being added.
So, the simplified expression is 2√31.