Find the polynomial expression equivalent to (3p + 2)²

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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### Steps to Solve and Explain Polynomial Expression Problem

#### Step 2: Solve the Problem
Show any and all work.

#### Step 3: Type Explanation of Answers

---

### Problem Statement:
**Find the polynomial expression equivalent to \( (3p + 2)^2 \).**

### Solution:
To solve this problem, we need to expand the expression \( (3p + 2)^2 \). Here’s a detailed step-by-step process:

1. **Apply the Binomial Theorem:**
   \[ (a + b)^2 = a^2 + 2ab + b^2 \]
   In this case, \( a = 3p \) and \( b = 2 \).

2. **Substitute the values into the formula:**
   \[ (3p + 2)^2 = (3p)^2 + 2 \cdot (3p) \cdot 2 + 2^2 \]

3. **Calculate each term separately:**
   - Calculate \( (3p)^2 \):
     \[ (3p)^2 = 9p^2 \]
   - Calculate \( 2 \cdot (3p) \cdot 2 \):
     \[ 2 \cdot (3p) \cdot 2 = 2 \cdot 3p \cdot 2 = 12p \]
   - Calculate \( 2^2 \):
     \[ 2^2 = 4 \]

4. **Combine all terms:**
   \[ (3p + 2)^2 = 9p^2 + 12p + 4 \]

Thus, the polynomial expression equivalent to \( (3p + 2)^2 \) is \[ 9p^2 + 12p + 4 \].
Transcribed Image Text:### Steps to Solve and Explain Polynomial Expression Problem #### Step 2: Solve the Problem Show any and all work. #### Step 3: Type Explanation of Answers --- ### Problem Statement: **Find the polynomial expression equivalent to \( (3p + 2)^2 \).** ### Solution: To solve this problem, we need to expand the expression \( (3p + 2)^2 \). Here’s a detailed step-by-step process: 1. **Apply the Binomial Theorem:** \[ (a + b)^2 = a^2 + 2ab + b^2 \] In this case, \( a = 3p \) and \( b = 2 \). 2. **Substitute the values into the formula:** \[ (3p + 2)^2 = (3p)^2 + 2 \cdot (3p) \cdot 2 + 2^2 \] 3. **Calculate each term separately:** - Calculate \( (3p)^2 \): \[ (3p)^2 = 9p^2 \] - Calculate \( 2 \cdot (3p) \cdot 2 \): \[ 2 \cdot (3p) \cdot 2 = 2 \cdot 3p \cdot 2 = 12p \] - Calculate \( 2^2 \): \[ 2^2 = 4 \] 4. **Combine all terms:** \[ (3p + 2)^2 = 9p^2 + 12p + 4 \] Thus, the polynomial expression equivalent to \( (3p + 2)^2 \) is \[ 9p^2 + 12p + 4 \].
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