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LURF™ 26 Jul @ 2:44am 
X²+2x+1=(x+1)² Формула: (a+b)²=(a²+b²+2ab)
x(x+1)²-2(х+1)=0
(x+1)(x(x+1)-2)=0
x+1=0 (x(x+1)-2)=0
x=-1 x²+x-2=0
D=1-4*(-2)=3²
x₁=(-1+3)/2=1
x₂=(-1-3)/2=-2
Toode!s 8 Jul @ 6:28pm 
-rep russian cheater
Pan Bambus 7 Jul @ 8:21am 
+REP
dodaj do znaj prosze, mam sprawe
прими го трейд
Гипнотизёр 27 Apr @ 11:12am 
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лучик солнца 19 Apr @ 8:02am 
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