Question

Решите уравнение
х²-2х+1/х-3 + х+1/3-х =4
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Answer 1

Ответ:

$\frac{ {x }^{2} - 2x + 1 }{ x - 3} + \frac{x + 1}{3 - x} = 4 \\ \frac{ {x}^{2} - 2x + 1 - (x + 1)}{x - 3} = 4 \\ \frac{ {x}^{2} - 3x}{x - 3} = 4 \\ \frac{x(x - 3)}{x - 3} = 4 \\ x = 4$