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Lesson7

# Lesson7 - MA 15200 Lesson 7 Section P.5*There are several...

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1 MA 15200 Lesson 7 Section P.5 *There are several good study tips in this lesson on the textbook pages. If two binomials are multiplied together, each polynomial is a factor of the product. The first factoring method to always try is called factoring out the greatest common factor. If a polynomial cannot be factored using integer coefficients, it is a prime polynomial. Ex 2: Factor each polynomial by factoring out the GCF. 2 3 2 2 2 3 2 ) 5 15 ) 6 9 12 ) 4( ) 3 ( ) ) 11 3 a y z yz b ab c a b c abc c x y c x y d xy ab Some 4-term polynomials can be factored using what is called the grouping method. 1. Group the first two terms together and factor out the GCF. 2. Group the last two terms together and factor out the GCF. 3. If there is a binomial that is a GCF of the result, that GCF is factored out and the result is a product of two binomial factors. Ex 3: Factor each polynomial by the grouping method. Hint: You may have to reorder the terms.

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Lesson7 - MA 15200 Lesson 7 Section P.5*There are several...

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