orcawave6209 orcawave6209
  • 20-10-2017
  • Mathematics
contestada

Question help the sum of a number and its square is 56. find the​ number(s).

Respuesta :

jbmow
jbmow jbmow
  • 22-10-2017
I can't read the meaning of ​, but x + x^2 =56
yields x = -8, 7 by factoring x^2 + x -56 = 0  (x+8)(x-7)=0
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