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

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

Elementary Algebra
Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter7: Factoring
Section7.3: Factor Quadratic Trinomials With Leading Coefficient Other Than 1
Problem 213E: What are the questions, in order, that you ask yourself as you start to factor a polynomial? What do...
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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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