
Example: Subtract, 15 Ö8  7Ö8. Solution: The given radicals are like radicals, so it is easy to subtract the given radicals. 15 Ö8  7 Ö8 Take Ö8 as common, we get (157) Ö8 8 Ö8. Directions: Solve the following problems. Also write at least ten examples of your own. 