Table of contents
- 0. Review of Algebra4h 16m
- 1. Equations & Inequalities3h 18m
- 2. Graphs of Equations43m
- 3. Functions2h 17m
- 4. Polynomial Functions1h 44m
- 5. Rational Functions1h 23m
- 6. Exponential & Logarithmic Functions2h 28m
- 7. Systems of Equations & Matrices4h 6m
- 8. Conic Sections2h 23m
- 9. Sequences, Series, & Induction1h 19m
- 10. Combinatorics & Probability1h 45m
0. Review of Algebra
Radical Expressions
1:24 minutes
Problem 30a
Textbook Question
Textbook QuestionIn Exercises 21–32, simplify by factoring. _____ ³√250x³
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Factoring
Factoring is the process of breaking down an expression into simpler components, or factors, that when multiplied together yield the original expression. In algebra, this often involves identifying common factors or applying specific techniques such as grouping or using special products. Understanding how to factor is essential for simplifying expressions and solving equations.
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Radical Expressions
Radical expressions involve roots, such as square roots or cube roots. In this context, the cube root (³√) indicates the value that, when multiplied by itself three times, gives the original number. Simplifying radical expressions often requires factoring the radicand (the number inside the root) to identify perfect cubes or other factors that can be simplified.
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Exponents and Powers
Exponents represent repeated multiplication of a base number. In the expression 250x³, the exponent 3 indicates that x is multiplied by itself three times. Understanding how to manipulate exponents, including the rules for multiplying and dividing powers, is crucial for simplifying expressions that involve both numerical coefficients and variable terms.
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