## Thursday, January 15, 2009

### Factoring Ep.3 - Factor by Grouping - 9:50

KEY CONCEPTS:

This works only with 4 term polynomials

STEPS:

i.) Find a common factor from all 4 terms

ii.) Group the first 2 terms and then the last 2 terms

iii.) Find common factor from first group

iv.) Find common factor from second group

v.) Factor out the common factor (bracketed terms)

vi.) Answer will be a set of binomials being multiplied together

vii.) Check your answer by expanding your answer.

Labels:
common factor,
F.O.I.L Method,
factor,
FOIL,
Papapodcasts,
polynomials

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