发布网友 发布时间:2024-10-23 19:24
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热心网友 时间:2024-11-09 13:46
3x^2 - 2x - 6 = 0 x^2 - 2/3*x - 2 = 0x^2 - 2/3*x + 1/9 - 19/9 = 0(x - 1/3)^2 = 19/9x - 1/3 = ±√19 / 3x1 = (1-√19)/3 ,x2 = (1+√19)/3