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
1. Equations & Inequalities
The Quadratic Formula
3:19 minutes
Problem 11
Textbook Question
Textbook QuestionSolve each equation in Exercises 1 - 14 by factoring. 2x(x - 3) = 5x^2 - 7x
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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 a product of simpler expressions, or factors, that when multiplied together yield the original expression. This technique is essential in solving polynomial equations, as it allows us to set each factor equal to zero to find the solutions. For example, the expression x^2 - 5x can be factored into x(x - 5).
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Quadratic Equations
A quadratic equation is a polynomial equation of degree two, typically in the form ax^2 + bx + c = 0. In the context of factoring, we often rearrange the equation to set it to zero and then factor it to find the values of x that satisfy the equation. Understanding the standard form and properties of quadratic equations is crucial for effective problem-solving.
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Zero Product Property
The Zero Product Property states that if the product of two or more factors equals zero, at least one of the factors must be zero. This principle is fundamental when solving factored equations, as it allows us to find the roots of the equation by setting each factor to zero. For instance, if we have (x - 2)(x + 3) = 0, we can conclude that x = 2 or x = -3.
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