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Find all solutions to the equation (x-1)^2= -4

 Jan 12, 2019
 #1
avatar+524 
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x-1=2i, x = 1+2i

 

answer: 1+2i

 

HOPE THIS HELPED!

 Jan 12, 2019
 #2
avatar+524 
0

im just gonna check myself, it becomes x^2-2x+1=-4, so x^2-2x+5.

 

quadratic formula:

 

(2 +or- 4i)/2 so

 

it is 1+2i or 1-2i.

 

HOPE THIS CORRECTED VERSION HELPED!

 Jan 12, 2019

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