Add √31 + √31

without simplifying it

√31 + √31 = 2√31

To add √31 + √31 without simplifying it, you can write it simply as:

2√31

To add √31 + √31 without simplifying it, you can treat the square roots as separate terms and combine them.

√31 + √31
= (1 + 1)√31
= 2√31

Therefore, √31 + √31 is equal to 2√31.