4: Algebraic Expressions and Equations — Read

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4.1: Objectives
4.2: Algebraic Expressions
4.3: Equations
4.4: Classification of Expressions and Equations
4.5: Combining Polynomials Using Addition and Subtraction
4.6: Combining Polynomials Using Multiplication
4.7: Special Binomial Products
Three binomial products occur so frequently in algebra that we designate them as special binomial products. We have seen them before, but we will study them again because of their importance as time saving devices and in solving equations (which we will study in a later chapter). These special products can be shown as the squares of a binomial (a+b)² and (a−b)² and as the sum and difference of two terms (a+b)(a−b).
4.8: Terminology Associated with Equations
4.9: Summary of Key Concepts
4.10: Exercise Supplement
4.11: Proficiency Exam

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