
To describe: The error in the given factoring and then correct it.
The error was at taking out the common factor 4, and the correct factorization is
Given information:
The factoring as shown below.
Concept used:
Difference of squares formula:
Error description:
The error in the given calculation is at the first step while taking out the common factor 4.
After taking out the common factor 4, the expression should be written as
Calculation:
Factor the expression
Conclusion:
The error was at taking out the common factor 4, and the correct factorization is
Chapter 1 Solutions
Mcdougal Littell Algebra 2: Student Edition (c) 2004 2004
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