If you're seeing this message, it means we're having trouble loading external resources on our website.

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

Main content

Add and subtract polynomials of degree one

Problem

Subtract.
Please use as few terms as possible.
C=q+5r9sD=3q+5r2s
CD=