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How do you simplify ${(3 \sqrt{5})}^{2}$ $(3sqrt5)^2$ ?

1 Answer

May 2, 2018

$45$ $45$

Explanation:

${(3 \sqrt{5})}^{2}$ $(3sqrt5)^2$

$= 3^{2} \cdot {(\sqrt{5})}^{2}$ $=3^2*(sqrt5)^2$

$= 9 \cdot 5$ $=9*5$

$= 45$ $=45$

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