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Mathematics 11 Online
OpenStudy (anonymous):

factot 16x2 - 9y2

OpenStudy (math&ing001):

16x2 - 9y2 = (4x)2 - (3y)2 Use a2 - b2 = (a+b)(a-b)

OpenStudy (anonymous):

thanks!

OpenStudy (math&ing001):

Welcome !

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