Rozwiąż równanie, stosując wzory skróconego mnożenia. 4x²+4x+1=0 4x²-12x+9=0
4x²+4x+1=0
(2x+1)²=0
2x+1=0
x=-1/2
------------------------
4x²-12x+9=0
(2x-3)²=0
2x-3=0
x=3/2
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4x²+4x+1=0
(2x+1)²=0
2x+1=0
x=-1/2
------------------------
4x²-12x+9=0
(2x-3)²=0
2x-3=0
x=3/2