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I need help.

 

 Apr 24, 2020
 #1
avatar+23710 
+1

Multiply it out....

sqrt3 * 2 sqrt3           - sqrt3 sqrt5            + sqrt5 * 2 sqrt3             - sqrt5 sqrt 5

       6                         - sqr 15                   + 2 sqrt15                      -  5

        1                                   + sqrt15

 Apr 24, 2020

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