Earidur5aElicia
Earidur5aElicia
16-10-2016
Mathematics
contestada
How to solve -x^2-2x=5?
Respuesta :
ImAsexual
ImAsexual
16-10-2016
-x^2 - 2x - 5=0
-(x^2 + 2x + 1) -4=0
(x +1)^2= -4
=> Impossible. There is no x
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