SOLUTION: so I can get a answer using complex numbers I am taking Intermediae Algerbra in college and my final is in the moring. I got as far as the answer you gave me but the answer my teac

Question 1784: so I can get a answer using complex numbers I am taking Intermediae Algerbra in college and my final is in the moring. I got as far as the answer you gave me but the answer my teacher gave me 2+i and 2-i. I am confused as how she got that answer by using the qudratic equation using (Imagery Solution). Thank you so much I have been struggling over this problem all weekend.
Answer by longjonsilver(2297) (Show Source): You can put this solution on YOUR website!

using the formula...

where -4 is thought of as 4x(-1) and so sqrt of 4 is 2 and sqrt of -1 is the letter i
so we have and
this gives...
and
hope this helps
Jon
Good luck
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