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Mathematics 17 Online
OpenStudy (anonymous):

can someone help me please (9+2√6)(6-√6)

OpenStudy (anonymous):

First 9 times 6 = 54 Outside 9 times -sqrt(6) = -9sqrt(6) Inside ???? Last ??? Can you multiply the inside terms?

OpenStudy (anonymous):

Last 2sqrt(6) times -sqrt(6) = -2sqrt(36) = -2 times 6 = -12

OpenStudy (anonymous):

thanks guys

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