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Mathematics 19 Online
OpenStudy (anonymous):

(x + 2)(x - 2) x^2+2x-2x+2-2, so x^2???

OpenStudy (anonymous):

(x + 2)(x - 2) x^2+2x-2x-4 x^2-4

OpenStudy (anonymous):

Thank you:)

OpenStudy (anonymous):

You're welcome :)

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