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Mathematics 30 Online
OpenStudy (anonymous):

difference of squares

OpenStudy (anonymous):

\[(\sqrt{x}-3\sqrt{2})(\sqrt{x}+3\sqrt{2})\]

OpenStudy (anonymous):

i get x-18

hartnn (hartnn):

thats correct

OpenStudy (anonymous):

woot thanks @hartnn

hartnn (hartnn):

welcome ^_^

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