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lisabon 2012 [21]

3 years ago

10

PLEASE HELP!!

1 answer:

pogonyaev3 years ago

4 0

Answer:

Work shown below!

Step-by-step explanation:

$\sqrt{-18}=\sqrt{18i^{2} } =\sqrt{2*9i^{2} }=3i\sqrt{2}$

$2\sqrt{-16} =2\sqrt{16i^{2} } =4i*2=8i$

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