SOLUTION: x(x-4)=-8 What do I do when there is a negative under the square root? Do I use i for imaginary number?

SOLUTION: x(x-4)=-8 What do I do when there is a negative under the square root? Do I use i for imaginary number?

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Question 61508: x(x-4)=-8
What do I do when there is a negative under the square root? Do I use i for imaginary number?
Answer by funmath(2933) (Show Source): You can put this solution on YOUR website!
Yes, .
:
x(x-4)=-8

a=1, b=-4, and c=8
The quadratic formula is:

and
and
and
Happy Calculating!!!
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