What is −412−−√+75−−√ in simplest radical form?

We can simplify each square root first:

- √412 = √(4 x 103) = 2√103
- √75 = √(25 x 3) = 5√3

Substituting these values, we get:

- -2√103 + 5√3

This is the simplest radical form of the expression.