Multiplying polynomials
FOIL
Double distributive
Image from Prentice Hall Mathematics NC Algebra I 2004
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...
More Examples...
1.
2.
More Examples...
1.
2.

Multiplying Polynomials (no conjugates)