Question

How do you add radicals `sqrt10 + sqrt10`?

Answer 1

You can simply combine like terms and call it `2sqrt10`.

Say I had `x + x`. There are two `x` terms, so we call it `2x`, or two times `x`. Say we let `x = sqrt(10)` and had`sqrt(10) + sqrt(10)`. We would simply call it `2sqrt(10)`.