8-8x+2x² = 0
x²-4x+4 = 0
D = b²-4ac = 16-16 = 0
x = -b/2a = 4/2 = 2
Ответ: 2
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8-8x+2x² = 0
x²-4x+4 = 0
D = b²-4ac = 16-16 = 0
x = -b/2a = 4/2 = 2
Ответ: 2