yennhivn
yennhivn yennhivn
  • 29-11-2021
  • Mathematics
contestada

help me with this calculation
(X-1).(1-x)

Respuesta :

loneguy
loneguy loneguy
  • 29-11-2021

[tex](x-1) (1-x)\\\\=(x-1)(-1)(x-1)\\\\=-(x-1)^2\\\\=-(x^2- 2x +1)\\\\=-x^2+2x-1[/tex]

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