Using area analogy method that (a − b)^2 = a^2 − 2ab + b^2

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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1. Using area analogy method
that (a − b)^2 = a^2 − 2ab + b^2

2. Factorize completely: 81x^4 − 81. Explain the steps.

3. By foiling out, verify the the factoring of sum and difference of cubes.

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