DISCUSS: An Algebra Error Beginning algebra students sometimes make the following error when squaring a binomial: (x + 5)? = x? + 25 (a) Substitute a value for x to verify that this is an error. (b) What is the correct expansion for (x + 5)2?

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter8: Sequences And Series
Section8.6: The Binomial Theorem
Problem 40E
icon
Related questions
Question
DISCUSS: An Algebra Error Beginning algebra students
sometimes make the following error when squaring a
binomial:
(x + 5)? = x? + 25
(a) Substitute a value for x to verify that this is an error.
(b) What is the correct expansion for (x + 5)2?
Transcribed Image Text:DISCUSS: An Algebra Error Beginning algebra students sometimes make the following error when squaring a binomial: (x + 5)? = x? + 25 (a) Substitute a value for x to verify that this is an error. (b) What is the correct expansion for (x + 5)2?
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
College Algebra
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
Algebra and Trigonometry (MindTap Course List)
Algebra and Trigonometry (MindTap Course List)
Algebra
ISBN:
9781305071742
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning