SOLUTION: X=-2(+OR-) the SQUARE ROOT OF -4 what are the steps to get the answer

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Question 810588: X=-2(+OR-) the SQUARE ROOT OF -4 what are the steps to get the answer
Answer by erica65404(394) About Me  (Show Source):
You can put this solution on YOUR website!
this equation means
x=-2+%2B+sqrt%28-4%29
or
x=-2+-+sqrt%28-4%29

solve both to get the answers.
i=sqrt%28-1%29
use i when you have a negative number in the squareroot.

x=-2+%2B+sqrt%28-4%29
x=-2%2B2i
or
x=-2+-+sqrt%28-4%29
x=-2-2i