Current time:0:00Total duration:5:45

0 energy points

# Simplifying radical expressions (subtraction)

Sal simplifies 4∜(81x⁵)-2∜(81x⁵)-√(x³). Created by Sal Khan and Monterey Institute for Technology and Education.

If you're seeing this message, it means we're having trouble loading external resources for Khan Academy.

If you're behind a web filter, please make sure that the domains ***.kastatic.org** and ***.kasandbox.org** are unblocked.

Main content
# Simplifying radical expressions (subtraction)

Current time:0:00Total duration:5:45

0 energy points

Sal simplifies 4∜(81x⁵)-2∜(81x⁵)-√(x³). Created by Sal Khan and Monterey Institute for Technology and Education.