gabbysoliz18 gabbysoliz18
  • 21-06-2017
  • Mathematics
contestada

solve x^2 +4-4=8 for x

x=-6 or x=2
x=-2+/- 2 (square root) 2
x=-2 or x =6
x=2+/-2 (square root)2

Respuesta :

ghanami
ghanami ghanami
  • 26-06-2017
hello : 
x² +4x -12 =0
 (x+6)(x-2) = 0
x+6 =0 or x-2 = 0
x = -6 or x = 2 ( first answer ) 
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