6.6 Factoring by Grouping

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6.6 Factoring by Grouping
Objective After completing this section,
students should be able to factor polynomials by
grouping.
After completing these notes, you will be ready
to do the following assignments.
Assignment 6.6 Worksheet p. 282 1-19
odd
Standard CA 11.0 Factor polynomials by grouping.
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Steps for factoring by grouping
1. A polynomial must have 4 terms to factor by
grouping.
2. We factor the first two terms and the second
two terms separately. Use the rules for GCF to
factor these.
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Examples
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Examples
You must always check to see if the expression is
factored completely. This expression can still
be factored using the rules for difference of two
squares. (see 6.2)
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Examples
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Try These Factor by grouping.
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Solutions
If you did not get these answers, click the green
button next to the solution to see it worked out.
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When you factor a negative out of a positive, you
will get a negative.
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Now factor the difference of squares.
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