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4 cards from this section. Quick, good the night before a test.
Factorize x² - 16.
Look for a difference of squares.
Factorize 4x² - 25.
This is also a difference of squares.
What is factorization?
Think of it as making complex things simple.
True or False: The expression x² - 9 factors as (x - 3)².
Look for two factors that multiply to -9 and add to 0.
Factorize 4x² - 16 and provide a detailed solution.
Identify the structure of the expression.
Use the method of grouping to factor x³ + x² - x - 1.
Group two terms together; look for common factors.
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