kat9797 kat9797
  • 08-02-2019
  • Mathematics
contestada

the sum of a number and its square is 2. find the number(s)

Respuesta :

akephd
akephd akephd
  • 08-02-2019
X+x^2=2
x^2+x-2=0
(x+2)(x-1)=0
So x=-2, 1
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