lesson 5

Polynomials

A polynomial is an expression involving constants, variables with natural number exponents, the four basic operations of +, -, . and / and no variables in denominators.

Rules for Addition and Subtraction of Polynomials

1. Two terms cannot be added (or subtracted) unless they consist of the...
lesson 4

Order of Operations

• When evaluating mathematical expressions we follow this order of operations:
1. Parentheses (from the inside out)
2. Exponents (from right to left)
3. Multiplication and division (from left to right)
4. Addition and subtraction (from left to right)

Example: