Rozłóż na czynniki liniowe trójmian: 4x2(do kwadratu) +4x+1
4x^2+4x+1=0
(2x+1)^2=0
(2x+1)(2x+1)=0
(x+1/2)(x+1/2)=0
4x2(do kwadratu) +4x+1 = 4x²+4x+1 = (2x+1)(2x+1)
ze wzoru sróconego mnożenia: (a+b)² = a²+2ab+b²
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4x^2+4x+1=0
(2x+1)^2=0
(2x+1)(2x+1)=0
(x+1/2)(x+1/2)=0
4x2(do kwadratu) +4x+1 = 4x²+4x+1 = (2x+1)(2x+1)
ze wzoru sróconego mnożenia: (a+b)² = a²+2ab+b²