Question

$3 \sqrt{ - 4} + 4 \sqrt{ - 9} - 5 \sqrt{ - 16}$
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Answer 1

Step-by-step explanation:

please refer to the attachment

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Answer 2

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3sqrt(-4) + 4sqrt(-9). - 5sqrt(- 16)

6i + 12i - 20i

-2i

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