addisonrausch addisonrausch

17-09-2019
Mathematics

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Simplify -3i sqrt -40

Enter your answer in simplest radical form

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luchoprat luchoprat

17-09-2019

Answer:

[tex]6\sqrt{10}[/tex]

Step-by-step explanation:

[tex]-3i\sqrt{-40} \\= -3i\sqrt{(-1)(5)(8)} \\= -3i\sqrt{-1} \sqrt{(5)(2^{3})} \\= -3i(i)(2)\sqrt{(5)(2)} \\= 6\sqrt{10}[/tex]

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