In this video, we are going to look at how to multiply a trinomial by a binomial.

For example:

To multiply we have to distribute each term in the binomial to each term in the trinomial.

When we distribute the *x* to the terms in the trinomial, we get , , and . When we distribute the 3 to the trinomial, we get , , and . So now we are left with

From here, we want to combine like terms, to give us a final answer of

## Want full access to all of our free math tutorials & practice problems?

Used by students across the country. Pre-Algebra, Algebra I, Geometry, & Algebra II

Sign Up Now

## Caddell Prep offers online test prep, web-based math assignments, and in-person tutoring and test prep.