Jim's solution to the equation 3x² + 18x - 30 = 0 is shown below. 3x² + 18x - - 30 = 0 x² + 6x - - 10 = 0 (x − 2)(x+5) = 0 8 8 - = 2 = 0 2 x+5=0 x = -5 Identify the mistake(s) and find the correct solution(s) to the equation. Show all work.

Intermediate Algebra
10th Edition
ISBN:9781285195728
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter6: Quadratic Equations And Inequalities
Section6.S: Summary
Problem 10S
Question
Jim's solution to the equation 3x² + 18x - 30 = 0 is
shown below.
3x² + 18x
-
- 30 = 0
x² + 6x
-
-
10 = 0
(x − 2)(x+5) = 0
8
8
-
=
2 = 0
2
x+5=0
x = -5
Identify the mistake(s) and find the correct solution(s) to
the equation. Show all work.
Transcribed Image Text:Jim's solution to the equation 3x² + 18x - 30 = 0 is shown below. 3x² + 18x - - 30 = 0 x² + 6x - - 10 = 0 (x − 2)(x+5) = 0 8 8 - = 2 = 0 2 x+5=0 x = -5 Identify the mistake(s) and find the correct solution(s) to the equation. Show all work.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
Intermediate Algebra
Intermediate Algebra
Algebra
ISBN:
9781285195728
Author:
Jerome E. Kaufmann, Karen L. Schwitters
Publisher:
Cengage Learning
Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
Trigonometry
ISBN:
9781337278461
Author:
Ron Larson
Publisher:
Cengage Learning
Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
Algebra
ISBN:
9780395977224
Author:
Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:
McDougal Littell
Elementary Algebra
Elementary Algebra
Algebra
ISBN:
9780998625713
Author:
Lynn Marecek, MaryAnne Anthony-Smith
Publisher:
OpenStax - Rice University
Algebra for College Students
Algebra for College Students
Algebra
ISBN:
9781285195780
Author:
Jerome E. Kaufmann, Karen L. Schwitters
Publisher:
Cengage Learning
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill