+0  
 
+5
986
2
avatar
x²+124=0
 Jan 30, 2012
 #1
avatar+3107 
0
[input]x^2+124=0[/input]
 Jan 30, 2012
 #2
avatar+8336 
0

\(x^2+124=0\\ x^2=-124\\ x=\pm\sqrt{-124}\\ \;\;=\pm 2i\sqrt{31}\\ \therefore x=2i\sqrt{31}\text{ OR }x=-2i\sqrt{31}\)

.
 Aug 21, 2016

9 Online Users