Natural Numbers
Integers
Orders of evaluation
FOIL rule
First outer Inner Last
Product
the result of a multiplication
Factor
A whole numer is a Factor of another whole number if it divides the number exactly.
How can you write xn without an exponent ?
1/xn da x-n = 1/xn und xn=1/x-n
1. binominal formula
(a+b)2=a2+2ab+b2