Ответы на вопрос:
X^2 - 6x = 5x - 12 - x^2 x^2 - 6x - 5x + 12 + x^2 = 0 2x^2 - 11x + 12 = 0 d = 121 - 96 = 25 x1 = ( 11 + 5)/4 = 16/4 = 4 x2 = ( 11 - 5)/4 = 6/4 = 1,5
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