Answer:
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Step-by-step explanation:
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Answer:
4√2x.
Step-by-step explanation:
√32 = √2*√16 = 4√2.
√x^2 = x.
For this case we have the following equation:

Let 
We have:

By definition, given an equation of the form 
The quadratic formula, to find the solution can be written as:

In this case we have:

Substituting in the quadratic formula we have:
See attached image
Answer:
Option B
B 216 because if you multiply pi with the answer you get 678.58