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Perform the Indicated Operation $\sqrt{7}(3 \sqrt{7}-\sqrt{7})$ A) $21-\sqrt{7}$ B) 14
C) $7 \sqrt{3}-7$

Question 19

Multiple Choice

Perform the indicated operation.
- $\sqrt{7}(3 \sqrt{7}-\sqrt{7})$

A) $21-\sqrt{7}$
B) 14
C) $7 \sqrt{3}-7$
D) 28

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