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Mathematics 21 Online
OpenStudy (anonymous):

Factor? 4x2-9y2

OpenStudy (anonymous):

(2x-3y)(2x+3y)

OpenStudy (anonymous):

Thanks girly!

OpenStudy (anonymous):

You can apply this: a^2-b^2=(a+b)(a-b)

OpenStudy (anonymous):

no problem :)

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