- Walch Education
Rewrite the radical using the imaginary unit .
- Rewrite the value under the radical as the product of –1 and a positive value.
- Rewrite the radical as .
- If possible, rewrite the positive value as the product of a square number and another whole number.
- Simplify the radical by finding the square root of the square number. The simplified expression will be in the form whole number • • radical.