1. Multiplying polynomials

2. FOIL

3. Double distributive
Image from Prentice Hall Mathematics NC Algebra I 2004

4. Squaring
When you square anything, it means to multiply it by
itself... even if it's a binomial.
So if you have (x + 3)2
it's saying to multiply (x + 3)(x
+ 3).
Here are some other examples...

5. More Examples...
1.
2.

6. More Examples...
1.
2.