Practice Solve each equation. Use factoring or the quadratic formula. Tell which method you used. 1. x + 15x - 54 0 2. 2x2 - 8x = 0 3. x- 19x + 48 = 0 4. 2x + 2x - 4 0 5. 3x-45x = 0 6. x + 1x 72 0 Cooperative Learning 7. Explain to a partner how to choose which method to use to solve number 4 in Practice. 8. Work with a partner to solve 0 = x + 8x - 65. First, try to solve by factoring. Then, use the quadratic formula. Chapter 12 Polynomials and Factoring 321

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Practice
Solve each equation. Use factoring or the quadratic formula.
Tell which method you used.
1. x + 15x - 54 0
2. 2x² – 8x = 0
3.
x-
19x + 48 = 0
4. 2x²
+ 2x- 4 0
5. 3x2-45x = 0
6.
x + 1x 72 0
Cooperative Learning
7. Explain to a partner how to choose which method to use to solve
number 4 in Practice.
8. Work with a partner to solve 0 = x + 8x - 65. First, try to solve
by factoring. Then, use the quadratic formula.
Chapter 12 Polynomials and Factoring
321
Transcribed Image Text:Open with Practice Solve each equation. Use factoring or the quadratic formula. Tell which method you used. 1. x + 15x - 54 0 2. 2x² – 8x = 0 3. x- 19x + 48 = 0 4. 2x² + 2x- 4 0 5. 3x2-45x = 0 6. x + 1x 72 0 Cooperative Learning 7. Explain to a partner how to choose which method to use to solve number 4 in Practice. 8. Work with a partner to solve 0 = x + 8x - 65. First, try to solve by factoring. Then, use the quadratic formula. Chapter 12 Polynomials and Factoring 321
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