Ответ: x < 3
Пошаговое объяснение: x(x - 2) + 3 - (4x - 5) < 0
x^2 - 2x + 3 - 4x + 5 < 0
x^2 - 6x + 8 < 0
x^2 - 6x + 8 = 0
D = b^2 - 4ac = (-6)^2 - 418 = 0
x = -b/2a = 6/2 = 3
x < 3
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Ответ: x < 3
Пошаговое объяснение: x(x - 2) + 3 - (4x - 5) < 0
x^2 - 2x + 3 - 4x + 5 < 0
x^2 - 6x + 8 < 0
x^2 - 6x + 8 = 0
D = b^2 - 4ac = (-6)^2 - 418 = 0
x = -b/2a = 6/2 = 3
x < 3