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Perform the indicated operations and write the result in standard form.

Perform the indicated operations and write the result in standard form.-example-1

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5\sqrt[]{-36}+7\sqrt[]{-9}

write the numbers as imaginary numbers


5\sqrt[]{36}i+7\sqrt[]{9}i

simplify the roots


\begin{gathered} 5\cdot6\cdot i+7\cdot3\cdot i \\ 30i+21i \\ 51i \end{gathered}

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