Table of contents
- 0. Review of College Algebra4h 43m
- 1. Measuring Angles39m
- 2. Trigonometric Functions on Right Triangles2h 5m
- 3. Unit Circle1h 19m
- 4. Graphing Trigonometric Functions1h 19m
- 5. Inverse Trigonometric Functions and Basic Trigonometric Equations1h 41m
- 6. Trigonometric Identities and More Equations2h 34m
- 7. Non-Right Triangles1h 38m
- 8. Vectors2h 25m
- 9. Polar Equations2h 5m
- 10. Parametric Equations1h 6m
- 11. Graphing Complex Numbers1h 7m
0. Review of College Algebra
Solving Linear Equations
1:29 minutes
Problem 119
Textbook Question
Textbook QuestionRewrite each expression using the distributive property and simplify, if possible. See Example 7. -12(x - y)
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Distributive Property
The distributive property states that a(b + c) = ab + ac. This property allows us to multiply a single term by each term within a set of parentheses, effectively distributing the multiplication across the terms. It is essential for simplifying expressions and solving equations in algebra.
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Combining Like Terms
Combining like terms involves simplifying an expression by adding or subtracting terms that have the same variable raised to the same power. This process helps to reduce the expression to its simplest form, making it easier to understand and work with.
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Simplification of Expressions
Simplification of expressions refers to the process of reducing an expression to its most concise form. This can involve applying the distributive property, combining like terms, and performing arithmetic operations. The goal is to make the expression easier to interpret and solve.
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