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

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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