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
Rational Equations
5:06 minutes
Problem 36b
Textbook Question
Textbook QuestionSolve each equation. See Example 2. 3x^2/(x-1) + 2 = x/(x-1)
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Rational Expressions
Rational expressions are fractions where the numerator and denominator are polynomials. Understanding how to manipulate these expressions is crucial for solving equations involving them. In this case, the equation contains rational expressions that require common denominators for simplification and solving.
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Solving Quadratic Equations
Quadratic equations are polynomial equations of degree two, typically in the form ax^2 + bx + c = 0. To solve them, one can use methods such as factoring, completing the square, or the quadratic formula. In the given equation, after simplification, one may end up with a quadratic that needs to be solved.
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Finding Common Denominators
Finding a common denominator is essential when adding or subtracting rational expressions. It allows for the combination of fractions into a single expression. In the provided equation, both sides contain terms with the denominator (x-1), which must be addressed to simplify and solve the equation effectively.
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