How to add two binomials polynomials

The video tutorial addresses common mistakes students make when combining like terms, emphasizing the need for terms to have the same base and exponent. It explains the correct method for combining such terms, using vertical addition for clarity. The tutorial concludes with examples, highlighting the importance of maintaining the correct signs when rearranging terms.

What is the significance of the signs attached to the terms when combining them?

Describe the process of combining the terms M^2 and 2M.