factor xº +x – 7x – 15|

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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how do you factor

**Title: Using a Step-by-Step Calculator for Factoring Polynomials**

**Overview:**

This educational guide demonstrates how to use an online tool for factoring cubic polynomials. It uses the example polynomial \(x^3 + x^2 - 7x - 15\) to show the step-by-step process.

**Process:**

1. **Polynomial Input:**
   - The polynomial to be factored is entered into the calculator: \(x^3 + x^2 - 7x - 15\).

2. **Factoring:**
   - The tool factors the polynomial as \( (x - 3)(x^2 + 4x + 5) \).

3. **Steps Explained:**
   - **Initial Equation:** \(x^3 + x^2 - 7x - 15\).
   - **Rational Root Theorem Applied:**
     - The theorem is used to identify potential rational roots of the polynomial.
     - The rational root theorem helps determine the roots by testing possible values derived from the coefficients.

4. **Solution Details:**
   - The polynomial is factored into two components: one linear \((x - 3)\) and one quadratic \((x^2 + 4x + 5)\).

**Related Features:**

- **Graphing and Solver Tools:** The calculator may provide graphing features and further solutions, such as solving for roots or analyzing the polynomial's behavior.
  
- **Learning Support:** A related blog with tips on improving mathematical skills, emphasizing practice and dedication.

**Practical Application:**
- Utilizing factoring techniques is essential for solving polynomial equations, which is pivotal in algebra and calculus courses. The step-by-step approach ensures better understanding and retention of mathematical concepts.

This guide should enable users to understand not just how to factor a polynomial using an online calculator, but also the underlying mathematical principles such as the application of the rational root theorem.
Transcribed Image Text:**Title: Using a Step-by-Step Calculator for Factoring Polynomials** **Overview:** This educational guide demonstrates how to use an online tool for factoring cubic polynomials. It uses the example polynomial \(x^3 + x^2 - 7x - 15\) to show the step-by-step process. **Process:** 1. **Polynomial Input:** - The polynomial to be factored is entered into the calculator: \(x^3 + x^2 - 7x - 15\). 2. **Factoring:** - The tool factors the polynomial as \( (x - 3)(x^2 + 4x + 5) \). 3. **Steps Explained:** - **Initial Equation:** \(x^3 + x^2 - 7x - 15\). - **Rational Root Theorem Applied:** - The theorem is used to identify potential rational roots of the polynomial. - The rational root theorem helps determine the roots by testing possible values derived from the coefficients. 4. **Solution Details:** - The polynomial is factored into two components: one linear \((x - 3)\) and one quadratic \((x^2 + 4x + 5)\). **Related Features:** - **Graphing and Solver Tools:** The calculator may provide graphing features and further solutions, such as solving for roots or analyzing the polynomial's behavior. - **Learning Support:** A related blog with tips on improving mathematical skills, emphasizing practice and dedication. **Practical Application:** - Utilizing factoring techniques is essential for solving polynomial equations, which is pivotal in algebra and calculus courses. The step-by-step approach ensures better understanding and retention of mathematical concepts. This guide should enable users to understand not just how to factor a polynomial using an online calculator, but also the underlying mathematical principles such as the application of the rational root theorem.
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