1. 

   Kot007 New Member

   выполните умножения 2х(х-7х=3)

    

   Kot007, 17 янв 2010

   #1
2. 

   Statistic New Member

   2x^2 - 14x^2= 3
   -12x^2=3
   12x^2=-3 
   X^2 = -12/-3
   x^2 = 4
   x = 2
    

    

   Statistic, 17 янв 2010

   #2