2а - 1 2а? - 5а + 4 За - 2, 2а - 3 8а? - 22а + 15 4а-5 O 3 7 1 2а - 3 2а? - ба +15 8a? - 22а + 15 II

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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### Algebraic Fraction Simplification

Simplify the following expression:

\[
\frac{2a - 1}{2a - 3} - \frac{2a^2 - 5a + 4}{8a^2 - 22a + 15} - \frac{3a - 2}{4a - 5}
\]

Choose the correct simplified form from the options provided:

- \(\circ\) \(-\frac{3}{7}\)
- \(\circ\) \(\frac{1}{2a - 3}\)
- \(\circ\) \(\frac{2a^2 - 6a + 15}{8a^2 - 22a + 15}\)

#### Explanation of the Problem

In this algebraic expression, we are given three rational expressions involving the variable \( a \). To solve the problem, we need to find a common denominator among the fractions, combine them, and then simplify the resulting expression.

Each option represents a possible simplified form of the given expression. Attention must be paid to the arithmetic involving polynomials in both the numerators and the denominators.

#### Detailed Steps

1. Identify the least common multiple (LCM) of the denominators.
2. Rewrite each fraction with the LCM as the new denominator.
3. Combine the numerators according to the arithmetic operations.
4. Simplify the resulting expression, if possible.

This type of problem helps in understanding the methods used for handling complex rational expressions and is foundational for higher-level algebra and calculus.

Choose the option that correctly simplifies the given expression.
Transcribed Image Text:### Algebraic Fraction Simplification Simplify the following expression: \[ \frac{2a - 1}{2a - 3} - \frac{2a^2 - 5a + 4}{8a^2 - 22a + 15} - \frac{3a - 2}{4a - 5} \] Choose the correct simplified form from the options provided: - \(\circ\) \(-\frac{3}{7}\) - \(\circ\) \(\frac{1}{2a - 3}\) - \(\circ\) \(\frac{2a^2 - 6a + 15}{8a^2 - 22a + 15}\) #### Explanation of the Problem In this algebraic expression, we are given three rational expressions involving the variable \( a \). To solve the problem, we need to find a common denominator among the fractions, combine them, and then simplify the resulting expression. Each option represents a possible simplified form of the given expression. Attention must be paid to the arithmetic involving polynomials in both the numerators and the denominators. #### Detailed Steps 1. Identify the least common multiple (LCM) of the denominators. 2. Rewrite each fraction with the LCM as the new denominator. 3. Combine the numerators according to the arithmetic operations. 4. Simplify the resulting expression, if possible. This type of problem helps in understanding the methods used for handling complex rational expressions and is foundational for higher-level algebra and calculus. Choose the option that correctly simplifies the given expression.
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