+0  
 
0
70
1
avatar+383 

http://prntscr.com/l1rq0m

hoiuu  Oct 3, 2018

Best Answer 

 #1
avatar+14445 
+3

x^2 +75 =0

x^2 = -75

x= +- sqrt (-75)

x = +- i sqrt 75

x = +- i sqrt(25*5)

x = 5i sqrt 5    or  - 5i sqrt 5

ElectricPavlov  Oct 3, 2018
 #1
avatar+14445 
+3
Best Answer

x^2 +75 =0

x^2 = -75

x= +- sqrt (-75)

x = +- i sqrt 75

x = +- i sqrt(25*5)

x = 5i sqrt 5    or  - 5i sqrt 5

ElectricPavlov  Oct 3, 2018

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