Current time: 0:00Total duration: 2:34

0 energy points

# Multiplying binomials by polynomials

Sal expresses the product (10a-3)(5a² + 7a - 1) as 50a³+55a²-31a+3. 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
# Multiplying binomials by polynomials

Current time: 0:00Total duration: 2:34

0 energy points

Sal expresses the product (10a-3)(5a² + 7a - 1) as 50a³+55a²-31a+3. Created by Sal Khan and Monterey Institute for Technology and Education.