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Mathematics
OpenStudy (anonymous):

4√50 + 7√32 - 7√2 ?

OpenStudy (mertsj):

\[4\sqrt{50}+7\sqrt{32}-7\sqrt{2}=4\sqrt{25(2)}+7\sqrt{16(2)}-7\sqrt{2}\]

OpenStudy (mertsj):

\[20\sqrt{2}+28\sqrt{2}-7\sqrt{2}=41\sqrt{2}\]

OpenStudy (anonymous):

Simplify: -6√63 + 2√28 + 5√7

OpenStudy (mertsj):

\[-6\sqrt{63}+2\sqrt{28}+5\sqrt{7}=-6\sqrt{9(7)}+2\sqrt{4(7)}-5\sqrt{7}\]

OpenStudy (mertsj):

\[-18\sqrt{7}+4\sqrt{7}-5\sqrt{7}=-19\sqrt{7}\]

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