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Elementary Algebra

Lynn Marecek, MaryAnne Anthony-Smith

$Math Studyset 91影视 Explanations$ Math

2nd Edition 路 1240 pages

ISBN: 9780998625713

Chapter 1: Q 1.39 (page 31)

Evaluate $3 x^{2} + 4 x + 1 w h e n x = 3$

Short Answer

Expert verified

The value of the given expression is 40.

Step by step solution

01

Step 1. Given information.

The given expression is $3 x^{2} + 4 x + 1 w h e n x = 3$

02

Step 2. Replace x with 3.

$= 3 x^{2} + 4 x + 1 = 3 路 3^{2} + 4 路 3 + 1 = 40$

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Translation from Algebra to English.

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