3x(x - 1) = 2(x - 1)3x(x - 1) - 2(x - 1) = 0(x - 1)(3x - 2) = 0x = 1 或 x = 2/3(2x - 1)² = (3 - x)²(2x - 1)² - (3 - x)² = 0(2x - 1 + 3 - x)(2x - 1 - 3 + x) = 0(x + 2)(3x - 4) = 0x ...