hakdyjauauaiaj hakdyjauauaiaj
  • 11-01-2020
  • Mathematics
contestada

X^2+1x-2=0
What could the answer be ?please help me .

Respuesta :

xxinz334 xxinz334
  • 11-01-2020

Answer:

once you factor it you get: (x+2)(x-1)

then when you solve for x the answer would be -2 and 1

Step-by-step explanation:

Answer Link
Stefanisaska
Stefanisaska Stefanisaska
  • 11-01-2020

Answer: 1 , -2

Step-by-step explanation:

x=(-1±√1+4*2)/2

x=(-1±3)/2

x1=(-1+3)/2=2/2=1

x2=(-1-3)/2=-4/2=-2

Answer Link

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