对于方程3x2 + 2x + 5 = 0,使用二次式来解决x
方程公式用于解决方程的根,并写成: x = (-b ± √(b2-4ac)) / 2a. 在这种情况下,a = 3,b = 2,c = 5. 将这些值置于公式中,我们得到: x = (-2 ± √(2) 2-(4) 3) 5) / (2)(3) x = (-2 ± √(-56)) / 6 由于平方根内的值是负值,这表明方程的解决方案将是复杂数.我们可以进一步简化如下: x = (-2 ± √(-1) 56) / 6 x = (-2 ± i√56) / 6 在这里,i代表虚拟,等于负的平方根.简化表达式,我们得到: x = 2 (-2 ± √1) / x = 1 (i) / x = 3 (i) / x = 1 (i) / x = 3 (i) / x = 3 (i) / x = 1 (i) / x = 3 (i) / x = 3 (i) / x = 3 (i) / x = 1 (i) / x = 3 (i) / x = 3 (i) / x = 3 (i) / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = 3 / x = x = x x x x x x x = x = 3 / x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x