SOLUTION: Using the square root method how do I solve x^4-16=0

Question 852097: Using the square root method how do I solve
x^4-16=0
Found 2 solutions by Alan3354, Boston_Don:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Using the square root method how do I solve
x^4-16=0
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x = -2, 2
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x = -2i, 2i
Answer by Boston_Don(1) (Show Source): You can put this solution on YOUR website!

But we also have to consider the negative and imaginary solutions as well.
The former gives us
X=2, -2
For the latter and hence .
This gives us the following two additional solutions
X=2i, -2i

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