The Real Number System
A series of free Basic Algebra Lessons: Multiplying and Dividing Real Numbers, Order of Operations, Properties of Real Numbers.
Why a negative times a negative is a positive?
Use the distributive property to understand the products of negative numbers.
(negative)(negative) = positive
(negative)(positive) = negative
(negative) ÷ (negative) = positive
(negative) ÷ (positive) = negative
Parenthesis
Exponents
Multiply/Divide (Left to right)
Add/Subtract (Left to right)
Commutative Law of Addition
Commutative Law of Multiplication
Associative Law of Addition
Associative Law of Multiplication
Distributive LAw
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