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Mathematics 21 Online
OpenStudy (anonymous):

HELP PLEASE! Explain how you can use the distributive property to check the binomial factors when a trinomial has been factored.

OpenStudy (amistre64):

they tend to call it "FOIL" is the textbooks

OpenStudy (amistre64):

(x+a)(x+b) ; distrbute once (x+a)x + (x+a)b distribute again xx+ax + bx+ab

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