# Introduction

The distributive law is: . Essentially, the a is “in-multiplied” into the bracket.

For example,

To find binomial products, the steps are, using the above as an example:

- Multiply first terms (4y, y), meaning
^{ } - Multiply outer terms (4y, 9y), meaning

- Multiply inner terms (-8x, y), meaning

- Multiply last terms (-8x, 9x), meaning

- Simplify, putting together the above