Question

multiply 3√7 by 5√7​

Answer 1

Step-by-step explanation:

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Answer 2

        3$\sqrt{7}$ * 5$\sqrt{7}$= 3*5($\sqrt{7}$*$\sqrt{7}$)

                         = 15 ($\sqrt{7}$)^2

                        = 15*7

                       =105