yennhivn
yennhivn
29-11-2021
Mathematics
contestada
help me with this calculation
(X-1).(1-x)
Respuesta :
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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