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Mathematics 14 Online
OpenStudy (anonymous):

Simplify 3√45-2√125

OpenStudy (saifoo.khan):

\[-\sqrt{5}\]

OpenStudy (anonymous):

\[3\sqrt{9*5}-2\sqrt{25*5}\] \[=3*3\sqrt{5}-2*5\sqrt{5}\] \[=9\sqrt{5}-10\sqrt{5}\] \[-\sqrt{5}\]

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