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Mathematics 15 Online
OpenStudy (anonymous):

HELP PLEASE!! [(x + 1)(x - 1)]2 A. x4+ 2x2- 1 B. x2- 1 C. x4- 2x2+ 1

OpenStudy (anonymous):

Do you know FOIL?

OpenStudy (anonymous):

no

OpenStudy (anonymous):

You need to distribute by First terms, Outer Terms, Inner Terms and Last Terms.

OpenStudy (anonymous):

yes

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