Mac111111111 Mac111111111
  • 04-05-2017
  • Mathematics
contestada

I need to compare your answer because I got (x-1)

I need to compare your answer because I got x1 class=

Respuesta :

DariusX
DariusX DariusX
  • 04-05-2017
x^2-5+3x+1=x^2+3x-4

D=9+16=25
x1=(-3+5)/2=1
x2=(-3-5)/2=-4

(x-1)(x+4)/(x+4)=x-1
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